125654644625 has 16 divisors (see below), whose sum is σ = 157605052800. Its totient is φ = 100018551600.

The previous prime is 125654644607. The next prime is 125654644651. The reversal of 125654644625 is 526446456521.

It is not a de Polignac number, because 125654644625 - 2³⁰ = 124580902801 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2500847 + ... + 2550596.

It is an arithmetic number, because the mean of its divisors is an integer number (9850315800).

Almost surely, 2^125654644625 is an apocalyptic number.

It is an amenable number.

125654644625 is a deficient number, since it is larger than the sum of its proper divisors (31950408175).

125654644625 is an equidigital number, since it uses as much as digits as its factorization.

125654644625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051657 (or 5051647 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 50.

The spelling of 125654644625 in words is "one hundred twenty-five billion, six hundred fifty-four million, six hundred forty-four thousand, six hundred twenty-five".