125647115500 has 48 divisors (see below), whose sum is σ = 274454762400. Its totient is φ = 50251252800.

The previous prime is 125647115471. The next prime is 125647115507. The reversal of 125647115500 is 5511746521.

It is a self number, because there is not a number n which added to its sum of digits gives 125647115500.

It is not an unprimeable number, because it can be changed into a prime (125647115507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254786 + ... + 4284214.

It is an arithmetic number, because the mean of its divisors is an integer number (5717807550).

Almost surely, 2^125647115500 is an apocalyptic number.

125647115500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125647115500 is an abundant number, since it is smaller than the sum of its proper divisors (148807646900).

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

125647115500 is a wasteful number, since it uses less digits than its factorization.

125647115500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37987 (or 37975 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 125647115500 in words is "one hundred twenty-five billion, six hundred forty-seven million, one hundred fifteen thousand, five hundred".