56011235975 has 24 divisors (see below), whose sum is σ = 70975725120. Its totient is φ = 43828373120.

The previous prime is 56011235957. The next prime is 56011236019. The reversal of 56011235975 is 57953211065.

It is a de Polignac number, because none of the positive numbers 2^k-56011235975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1994129 + ... + 2022021.

It is an arithmetic number, because the mean of its divisors is an integer number (2957321880).

Almost surely, 2^56011235975 is an apocalyptic number.

56011235975 is a deficient number, since it is larger than the sum of its proper divisors (14964489145).

56011235975 is a wasteful number, since it uses less digits than its factorization.

56011235975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29659 (or 29654 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 56011235975 in words is "fifty-six billion, eleven million, two hundred thirty-five thousand, nine hundred seventy-five".