115122520000 has 140 divisors (see below), whose sum is σ = 300492967720. Its totient is φ = 43625088000.

The previous prime is 115122519971. The next prime is 115122520033. The reversal of 115122520000 is 25221511.

It is a super-2 number, since 2×115122520000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 115122520000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 684262 + ... + 835738.

Almost surely, 2^115122520000 is an apocalyptic number.

115122520000 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 115122520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150246483860).

115122520000 is an abundant number, since it is smaller than the sum of its proper divisors (185370447720).

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

115122520000 is an equidigital number, since it uses as much as digits as its factorization.

115122520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151528 (or 151503 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 115122520000 its reverse (25221511), we get a palindrome (115147741511).

The spelling of 115122520000 in words is "one hundred fifteen billion, one hundred twenty-two million, five hundred twenty thousand".