125117375644 has 24 divisors (see below), whose sum is σ = 221994544688. Its totient is φ = 61694922240.

The previous prime is 125117375609. The next prime is 125117375651. The reversal of 125117375644 is 446573711521.

It is a junction number, because it is equal to n+sod(n) for n = 125117375594 and 125117375603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459927 + ... + 679534.

Almost surely, 2^125117375644 is an apocalyptic number.

It is an amenable number.

125117375644 is a deficient number, since it is larger than the sum of its proper divisors (96877169044).

125117375644 is a wasteful number, since it uses less digits than its factorization.

125117375644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139845 (or 1139843 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The spelling of 125117375644 in words is "one hundred twenty-five billion, one hundred seventeen million, three hundred seventy-five thousand, six hundred forty-four".