125252528920 has 16 divisors (see below), whose sum is σ = 281818190160. Its totient is φ = 50101011552.

The previous prime is 125252528911. The next prime is 125252528927. The reversal of 125252528920 is 29825252521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252528927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565656572 + ... + 1565656651.

It is an arithmetic number, because the mean of its divisors is an integer number (17613636885).

Almost surely, 2^125252528920 is an apocalyptic number.

125252528920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125252528920 is an abundant number, since it is smaller than the sum of its proper divisors (156565661240).

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

125252528920 is a wasteful number, since it uses less digits than its factorization.

125252528920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131313234 (or 3131313230 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 125252528920 in words is "one hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-eight thousand, nine hundred twenty".