http://www.math.com/tables/general/numnotation.htm

100,000, one hundred thousand, one hundred thousands. 1,000,000, one million , one thousand thousands ... quintillion, 1 with 18 zeros, 1 with 30 zeros.

https://www.dictionary.com/browse/quintillion

Quintillion definition, a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 ... amounting to one quintillion in number.

Feb 14, 2013 ... So just how large is one quintillion pennies? Watch this video to find out! Like us on Facebook at Cosmic History: ...

https://en.wikipedia.org/wiki/Names_of_large_numbers

This article lists and discusses the usage and derivation of names of large numbers, together .... One of the earliest examples of this is The Sand Reckoner, in which Archimedes gave a .... 10, 5, 1033, Decillion, Thousand quintillion, Quintilliard.

https://www.thoughtco.com/zeros-in-million-billion-trillion-2312346

A table, as the one above, can certainly be helpful in listing the names of all of the subsequent numbers ... Quintillion 1,000,000,000,000,000,000 (18 zeros)

Dec 9, 2014 ... It also appears in several colloquial phrases, such as one in a million and feeling like a million bucks (or pounds). Next up is billion, which ...

https://www.thefreedictionary.com/quintillion

quintillion. (kwɪnˈtɪljən). n, pl -lions or -lion. 1. (Mathematics) (in Britain, France, and Germany) the number represented as one followed by 30 zeros (1030).