125603805900 has 72 divisors (see below), whose sum is σ = 363450737664. Its totient is φ = 33490932800.

The previous prime is 125603805883. The next prime is 125603805923. The reversal of 125603805900 is 9508306521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4565185 + ... + 4592615.

It is an arithmetic number, because the mean of its divisors is an integer number (5047926912).

Almost surely, 2^125603805900 is an apocalyptic number.

125603805900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125603805900 is an abundant number, since it is smaller than the sum of its proper divisors (237846931764).

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

125603805900 is a wasteful number, since it uses less digits than its factorization.

125603805900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42711 (or 42704 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 125603805900 in words is "one hundred twenty-five billion, six hundred three million, eight hundred five thousand, nine hundred".