56221025425 has 12 divisors (see below), whose sum is σ = 69749008000. Its totient is φ = 44954280720.

The previous prime is 56221025411. The next prime is 56221025447. The reversal of 56221025425 is 52452012265.

It is not a de Polignac number, because 56221025425 - 2⁷ = 56221025297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512517 + ... + 612466.

Almost surely, 2^56221025425 is an apocalyptic number.

It is an amenable number.

56221025425 is a deficient number, since it is larger than the sum of its proper divisors (13527982575).

56221025425 is a wasteful number, since it uses less digits than its factorization.

56221025425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126992 (or 1126987 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 56221025425 in words is "fifty-six billion, two hundred twenty-one million, twenty-five thousand, four hundred twenty-five".