125916025689 has 32 divisors (see below), whose sum is σ = 189371927040. Its totient is φ = 82671271056.

The previous prime is 125916025679. The next prime is 125916025751. The reversal of 125916025689 is 986520619521.

125916025689 is a `hidden beast` number, since 1 + 25 + 9 + 1 + 602 + 5 + 6 + 8 + 9 = 666.

It is not a de Polignac number, because 125916025689 - 2⁹ = 125916025177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125916025679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14299362 + ... + 14308164.

It is an arithmetic number, because the mean of its divisors is an integer number (5917872720).

Almost surely, 2^125916025689 is an apocalyptic number.

It is an amenable number.

125916025689 is a deficient number, since it is larger than the sum of its proper divisors (63455901351).

125916025689 is an equidigital number, since it uses as much as digits as its factorization.

125916025689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786 (or 16780 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 125916025689 in words is "one hundred twenty-five billion, nine hundred sixteen million, twenty-five thousand, six hundred eighty-nine".