56195128625 has 16 divisors (see below), whose sum is σ = 70138313856. Its totient is φ = 44951748400.

The previous prime is 56195128607. The next prime is 56195128643. The reversal of 56195128625 is 52682159165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56195128607) and next prime (56195128643).

It is not a de Polignac number, because 56195128625 - 2²⁰ = 56194080049 is a prime.

It is a Duffinian number.

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, 2089514 + ... + 2116236.

It is an arithmetic number, because the mean of its divisors is an integer number (4383644616).

Almost surely, 2^56195128625 is an apocalyptic number.

It is an amenable number.

56195128625 is a deficient number, since it is larger than the sum of its proper divisors (13943185231).

56195128625 is a wasteful number, since it uses less digits than its factorization.

56195128625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43561 (or 43551 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 50.

The spelling of 56195128625 in words is "fifty-six billion, one hundred ninety-five million, one hundred twenty-eight thousand, six hundred twenty-five".