125521002326430 has 80 divisors (see below), whose sum is σ = 341784332809920. Its totient is φ = 33048567684288.

The previous prime is 125521002326399. The next prime is 125521002326441. The reversal of 125521002326430 is 34623200125521.

125521002326430 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 2 + 1 + 0 + 0 + 2 + 3 + 2 + 643 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 980722089 + ... + 980850068.

It is an arithmetic number, because the mean of its divisors is an integer number (4272304160124).

Almost surely, 2^{125521002326430} is an apocalyptic number.

125521002326430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125521002326430 is an abundant number, since it is smaller than the sum of its proper divisors (216263330483490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125521002326430 is a wasteful number, since it uses less digits than its factorization.

125521002326430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961572255 (or 1961572246 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 125521002326430 in words is "one hundred twenty-five trillion, five hundred twenty-one billion, two million, three hundred twenty-six thousand, four hundred thirty".