56635711425 has 36 divisors (see below), whose sum is σ = 102215262864. Its totient is φ = 29975119200.

The previous prime is 56635711421. The next prime is 56635711471. The reversal of 56635711425 is 52411753665.

56635711425 is a `hidden beast` number, since 5 + 6 + 63 + 571 + 14 + 2 + 5 = 666.

It is not a de Polignac number, because 56635711425 - 2² = 56635711421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (56635711421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 931267 + ... + 990216.

Almost surely, 2^56635711425 is an apocalyptic number.

It is an amenable number.

56635711425 is a deficient number, since it is larger than the sum of its proper divisors (45579551439).

56635711425 is a wasteful number, since it uses less digits than its factorization.

56635711425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921630 (or 1921622 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 56635711425 in words is "fifty-six billion, six hundred thirty-five million, seven hundred eleven thousand, four hundred twenty-five".