125352942489 has 24 divisors (see below), whose sum is σ = 182800687680. Its totient is φ = 82768078368.

The previous prime is 125352942479. The next prime is 125352942509. The reversal of 125352942489 is 984249253521.

125352942489 is a `hidden beast` number, since 1 + 2 + 535 + 2 + 9 + 4 + 24 + 89 = 666.

It is not a de Polignac number, because 125352942489 - 2⁵ = 125352942457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125352942479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4876332 + ... + 4901970.

It is an arithmetic number, because the mean of its divisors is an integer number (7616695320).

Almost surely, 2^125352942489 is an apocalyptic number.

It is an amenable number.

125352942489 is a deficient number, since it is larger than the sum of its proper divisors (57447745191).

125352942489 is a wasteful number, since it uses less digits than its factorization.

125352942489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30829 (or 30826 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 125352942489 in words is "one hundred twenty-five billion, three hundred fifty-two million, nine hundred forty-two thousand, four hundred eighty-nine".