A Novensexagintaducentillion (1 Novensexagintaducentillion) is 10 to the power of 810 (10^810). This is a truly astronomical number!

## How many zeros in a Novensexagintaducentillion?

There are 810 zeros in a Novensexagintaducentillion.

## What's before Novensexagintaducentillion?

A Octosexagintaducentillion is smaller than a Novensexagintaducentillion.

## What's after Novensexagintaducentillion?

A Septuagintaducentillion is larger than a Novensexagintaducentillion.

A Novensexagintaducentillionaire is someone whos assets, net worth or wealth is 1 or more Novensexagintaducentillion. It is unlikely anyone will ever be a true Novensexagintaducentillionaire. If you want to be a Novensexagintaducentillionaire, play Tap Tales!

## Is Novensexagintaducentillion the largest number?

Novensexagintaducentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Novensexagintaducentillion written out

Novensexagintaducentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!