125465656432 has 20 divisors (see below), whose sum is σ = 243150319080. Its totient is φ = 62717187008.

The previous prime is 125465656411. The next prime is 125465656441. The reversal of 125465656432 is 234656564521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911263 + ... + 1039870.

It is an arithmetic number, because the mean of its divisors is an integer number (12157515954).

Almost surely, 2^125465656432 is an apocalyptic number.

It is an amenable number.

125465656432 is a deficient number, since it is larger than the sum of its proper divisors (117684662648).

125465656432 is a wasteful number, since it uses less digits than its factorization.

125465656432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955160 (or 1955154 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

The spelling of 125465656432 in words is "one hundred twenty-five billion, four hundred sixty-five million, six hundred fifty-six thousand, four hundred thirty-two".