115078718820 has 96 divisors (see below), whose sum is σ = 355470272640. Its totient is φ = 27636157440.

The previous prime is 115078718809. The next prime is 115078718827. The reversal of 115078718820 is 28817870511.

It is a super-2 number, since 2×115078718820² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115078718820.

It is not an unprimeable number, because it can be changed into a prime (115078718827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767250 + ... + 1831209.

It is an arithmetic number, because the mean of its divisors is an integer number (3702815340).

Almost surely, 2^115078718820 is an apocalyptic number.

115078718820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115078718820 is an abundant number, since it is smaller than the sum of its proper divisors (240391553820).

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

115078718820 is a wasteful number, since it uses less digits than its factorization.

115078718820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598525 (or 3598523 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 48.

The spelling of 115078718820 in words is "one hundred fifteen billion, seventy-eight million, seven hundred eighteen thousand, eight hundred twenty".