125375530320 has 80 divisors (see below), whose sum is σ = 431849056320. Its totient is φ = 33433474176.

The previous prime is 125375530277. The next prime is 125375530333. The reversal of 125375530320 is 23035573521.

125375530320 is a `hidden beast` number, since 1 + 2 + 53 + 75 + 530 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29019954 + ... + 29024273.

It is an arithmetic number, because the mean of its divisors is an integer number (5398113204).

Almost surely, 2^125375530320 is an apocalyptic number.

125375530320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125375530320 is an abundant number, since it is smaller than the sum of its proper divisors (306473526000).

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

125375530320 is a wasteful number, since it uses less digits than its factorization.

125375530320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58044249 (or 58044237 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The spelling of 125375530320 in words is "one hundred twenty-five billion, three hundred seventy-five million, five hundred thirty thousand, three hundred twenty".