a cardinal number represented in the U.S. by 1 followed by 36 zeros, and in Great Britain by 1 followed by 66 zeros.
amounting to one undecillion in number.
- un·de·cil·lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use undecillion in a sentence
"An undecillion is ten raised to the 36th power," Freddy sighed, fearing that he wasn't getting through to Willy.Master of None | Lloyd Neil Goble