115512543015520 has 96 divisors (see below), whose sum is σ = 311889014535168. Its totient is φ = 39603646699008.

The previous prime is 115512543015511. The next prime is 115512543015533. The reversal of 115512543015520 is 25510345215511.

115512543015520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69631557 + ... + 71271163.

It is an arithmetic number, because the mean of its divisors is an integer number (3248843901408).

Almost surely, 2^{115512543015520} is an apocalyptic number.

115512543015520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115512543015520 is an abundant number, since it is smaller than the sum of its proper divisors (196376471519648).

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

115512543015520 is a wasteful number, since it uses less digits than its factorization.

115512543015520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702532 (or 1702524 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 115512543015520 in words is "one hundred fifteen trillion, five hundred twelve billion, five hundred forty-three million, fifteen thousand, five hundred twenty".