12577265424425 has 12 divisors (see below), whose sum is σ = 16795486751820. Its totient is φ = 9287826774720.

The previous prime is 12577265424401. The next prime is 12577265424433. The reversal of 12577265424425 is 52442456277521.

It can be written as a sum of positive squares in 6 ways, for example, as 66139494976 + 12511125929449 = 257176^2 + 3537107^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12577265424425 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, 19349638790 + ... + 19349639439.

It is an arithmetic number, because the mean of its divisors is an integer number (1399623895985).

Almost surely, 2^{12577265424425} is an apocalyptic number.

It is an amenable number.

12577265424425 is a deficient number, since it is larger than the sum of its proper divisors (4218221327395).

12577265424425 is a wasteful number, since it uses less digits than its factorization.

12577265424425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38699278252 (or 38699278247 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 56.

The spelling of 12577265424425 in words is "twelve trillion, five hundred seventy-seven billion, two hundred sixty-five million, four hundred twenty-four thousand, four hundred twenty-five".