125498116520 has 64 divisors (see below), whose sum is σ = 323277004800. Its totient is φ = 42952250880.

The previous prime is 125498116501. The next prime is 125498116543. The reversal of 125498116520 is 25611894521.

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, 234536 + ... + 553175.

It is an arithmetic number, because the mean of its divisors is an integer number (5051203200).

Almost surely, 2^125498116520 is an apocalyptic number.

125498116520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125498116520 is an abundant number, since it is smaller than the sum of its proper divisors (197778888280).

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

125498116520 is a wasteful number, since it uses less digits than its factorization.

125498116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788298 (or 788294 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 125498116520 in words is "one hundred twenty-five billion, four hundred ninety-eight million, one hundred sixteen thousand, five hundred twenty".