125609192925 has 12 divisors (see below), whose sum is σ = 207673865760. Its totient is φ = 66991569520.

The previous prime is 125609192923. The next prime is 125609192959. The reversal of 125609192925 is 529291906521.

It is not a de Polignac number, because 125609192925 - 2¹ = 125609192923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125609192923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837394545 + ... + 837394694.

It is an arithmetic number, because the mean of its divisors is an integer number (17306155480).

Almost surely, 2^125609192925 is an apocalyptic number.

125609192925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125609192925 is a deficient number, since it is larger than the sum of its proper divisors (82064672835).

125609192925 is a wasteful number, since it uses less digits than its factorization.

125609192925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674789252 (or 1674789247 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 125609192925 in words is "one hundred twenty-five billion, six hundred nine million, one hundred ninety-two thousand, nine hundred twenty-five".