56510156425 has 24 divisors (see below), whose sum is σ = 72151911000. Its totient is φ = 43872929280.

The previous prime is 56510156393. The next prime is 56510156441. The reversal of 56510156425 is 52465101565.

It can be written as a sum of positive squares in 12 ways, for example, as 1011748864 + 55498407561 = 31808^2 + 235581^2 .

It is not a de Polignac number, because 56510156425 - 2⁵ = 56510156393 is a prime.

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, 281301 + ... + 438349.

It is an arithmetic number, because the mean of its divisors is an integer number (3006329625).

Almost surely, 2^56510156425 is an apocalyptic number.

It is an amenable number.

56510156425 is a deficient number, since it is larger than the sum of its proper divisors (15641754575).

56510156425 is a wasteful number, since it uses less digits than its factorization.

56510156425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157485 (or 157480 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 56510156425 in words is "fifty-six billion, five hundred ten million, one hundred fifty-six thousand, four hundred twenty-five".