12637625137625 has 16 divisors (see below), whose sum is σ = 15772930282512. Its totient is φ = 10109347475200.

The previous prime is 12637625137547. The next prime is 12637625137633. The reversal of 12637625137625 is 52673152673621.

It can be written as a sum of positive squares in 8 ways, for example, as 879453835264 + 11758171302361 = 937792^2 + 3429019^2 .

It is not a de Polignac number, because 12637625137625 - 2²⁶ = 12637558028761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2074322 + ... + 5438571.

It is an arithmetic number, because the mean of its divisors is an integer number (985808142657).

Almost surely, 2^{12637625137625} is an apocalyptic number.

It is an amenable number.

12637625137625 is a deficient number, since it is larger than the sum of its proper divisors (3135305144887).

12637625137625 is an equidigital number, since it uses as much as digits as its factorization.

12637625137625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526365 (or 7526355 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 56.

The spelling of 12637625137625 in words is "twelve trillion, six hundred thirty-seven billion, six hundred twenty-five million, one hundred thirty-seven thousand, six hundred twenty-five".