101091831056 has 80 divisors (see below), whose sum is σ = 201797084160. Its totient is φ = 49030410240.

The previous prime is 101091830993. The next prime is 101091831059. The reversal of 101091831056 is 650138190101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101091831059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136058621 + ... + 136059363.

It is an arithmetic number, because the mean of its divisors is an integer number (2522463552).

Almost surely, 2^101091831056 is an apocalyptic number.

101091831056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101091831056 is a deficient number, since it is larger than the sum of its proper divisors (100705253104).

101091831056 is a wasteful number, since it uses less digits than its factorization.

101091831056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 101091831056 in words is "one hundred one billion, ninety-one million, eight hundred thirty-one thousand, fifty-six".