100565800072 has 64 divisors (see below), whose sum is σ = 194528980800. Its totient is φ = 48710108160.

The previous prime is 100565800051. The next prime is 100565800081. The reversal of 100565800072 is 270008565001.

It is a super-2 number, since 2×100565800072² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28495204 + ... + 28498732.

It is an arithmetic number, because the mean of its divisors is an integer number (3039515325).

Almost surely, 2^100565800072 is an apocalyptic number.

It is an amenable number.

100565800072 is a deficient number, since it is larger than the sum of its proper divisors (93963180728).

100565800072 is a wasteful number, since it uses less digits than its factorization.

100565800072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 100565800072 in words is "one hundred billion, five hundred sixty-five million, eight hundred thousand, seventy-two".