125013887500 has 72 divisors (see below), whose sum is σ = 274114486800. Its totient is φ = 49884120000.

The previous prime is 125013887459. The next prime is 125013887543. The reversal of 125013887500 is 5788310521.

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, 5225566 + ... + 5249434.

It is an arithmetic number, because the mean of its divisors is an integer number (3807145650).

Almost surely, 2^125013887500 is an apocalyptic number.

125013887500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125013887500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137057243400).

125013887500 is an abundant number, since it is smaller than the sum of its proper divisors (149100599300).

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

125013887500 is an equidigital number, since it uses as much as digits as its factorization.

125013887500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24317 (or 24295 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 125013887500 in words is "one hundred twenty-five billion, thirteen million, eight hundred eighty-seven thousand, five hundred".