56501640125 has 32 divisors (see below), whose sum is σ = 80615109120. Its totient is φ = 38730700800.

The previous prime is 56501640119. The next prime is 56501640131. The reversal of 56501640125 is 52104610565.

It is an interprime number because it is at equal distance from previous prime (56501640119) and next prime (56501640131).

It is not a de Polignac number, because 56501640125 - 2⁸ = 56501639869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3015536 + ... + 3034214.

It is an arithmetic number, because the mean of its divisors is an integer number (2519222160).

Almost surely, 2^56501640125 is an apocalyptic number.

It is an amenable number.

56501640125 is a deficient number, since it is larger than the sum of its proper divisors (24113468995).

56501640125 is a wasteful number, since it uses less digits than its factorization.

56501640125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158 (or 22148 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 56501640125 in words is "fifty-six billion, five hundred one million, six hundred forty thousand, one hundred twenty-five".