56163122575 has 18 divisors (see below), whose sum is σ = 81012440616. Its totient is φ = 38511854640.

The previous prime is 56163122567. The next prime is 56163122657. The reversal of 56163122575 is 57522136165.

It is not a de Polignac number, because 56163122575 - 2³ = 56163122567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22922499 + ... + 22924948.

Almost surely, 2^56163122575 is an apocalyptic number.

56163122575 is a deficient number, since it is larger than the sum of its proper divisors (24849318041).

56163122575 is a wasteful number, since it uses less digits than its factorization.

56163122575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45847471 (or 45847459 counting only the distinct ones).

The product of its digits is 378000, while the sum is 43.

The spelling of 56163122575 in words is "fifty-six billion, one hundred sixty-three million, one hundred twenty-two thousand, five hundred seventy-five".