56711001172 has 48 divisors (see below), whose sum is σ = 113785322112. Its totient is φ = 24226974720.

The previous prime is 56711001167. The next prime is 56711001251. The reversal of 56711001172 is 27110011765.

It is a happy number.

It is a super-2 number, since 2×56711001172² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 23231472 + ... + 23233912.

It is an arithmetic number, because the mean of its divisors is an integer number (2370527544).

Almost surely, 2^56711001172 is an apocalyptic number.

It is an amenable number.

56711001172 is an abundant number, since it is smaller than the sum of its proper divisors (57074320940).

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

56711001172 is a wasteful number, since it uses less digits than its factorization.

56711001172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 31.

The spelling of 56711001172 in words is "fifty-six billion, seven hundred eleven million, one thousand, one hundred seventy-two".