125053561632 has 24 divisors (see below), whose sum is σ = 328265599536. Its totient is φ = 41684520512.

The previous prime is 125053561601. The next prime is 125053561643. The reversal of 125053561632 is 236165350521.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651320538 + ... + 651320729.

It is an arithmetic number, because the mean of its divisors is an integer number (13677733314).

Almost surely, 2^125053561632 is an apocalyptic number.

125053561632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125053561632 is an abundant number, since it is smaller than the sum of its proper divisors (203212037904).

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

125053561632 is a wasteful number, since it uses less digits than its factorization.

125053561632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302641280 (or 1302641272 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 125053561632 in words is "one hundred twenty-five billion, fifty-three million, five hundred sixty-one thousand, six hundred thirty-two".