100561105074 has 32 divisors (see below), whose sum is σ = 212975726976. Its totient is φ = 31545204480.

The previous prime is 100561105069. The next prime is 100561105087. The reversal of 100561105074 is 470501165001.

It is a super-2 number, since 2×100561105074² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008819 + ... + 1104009.

It is an arithmetic number, because the mean of its divisors is an integer number (6655491468).

Almost surely, 2^100561105074 is an apocalyptic number.

100561105074 is an abundant number, since it is smaller than the sum of its proper divisors (112414621902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100561105074 is a wasteful number, since it uses less digits than its factorization.

100561105074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105570.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 100561105074 in words is "one hundred billion, five hundred sixty-one million, one hundred five thousand, seventy-four".