115501252000 has 48 divisors (see below), whose sum is σ = 283786585992. Its totient is φ = 46200499200.

The previous prime is 115501251977. The next prime is 115501252063. The reversal of 115501252000 is 252105511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40001600016 + 75499651984 = 200004^2 + 274772^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14433657 + ... + 14441656.

Almost surely, 2^115501252000 is an apocalyptic number.

115501252000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115501252000 is an abundant number, since it is smaller than the sum of its proper divisors (168285333992).

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

115501252000 is an equidigital number, since it uses as much as digits as its factorization.

115501252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28875338 (or 28875320 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 115501252000 its reverse (252105511), we get a palindrome (115753357511).

The spelling of 115501252000 in words is "one hundred fifteen billion, five hundred one million, two hundred fifty-two thousand".