125556430432 has 12 divisors (see below), whose sum is σ = 247189222476. Its totient is φ = 62778215200.

The previous prime is 125556430421. The next prime is 125556430529. The reversal of 125556430432 is 234034655521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961819194 + ... + 1961819257.

It is an arithmetic number, because the mean of its divisors is an integer number (20599101873).

Almost surely, 2^125556430432 is an apocalyptic number.

It is an amenable number.

125556430432 is a deficient number, since it is larger than the sum of its proper divisors (121632792044).

125556430432 is an equidigital number, since it uses as much as digits as its factorization.

125556430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923638461 (or 3923638453 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 125556430432 in words is "one hundred twenty-five billion, five hundred fifty-six million, four hundred thirty thousand, four hundred thirty-two".