115923947520 has 104 divisors (see below), whose sum is σ = 370911545856. Its totient is φ = 30913036288.

The previous prime is 115923947507. The next prime is 115923947527. The reversal of 115923947520 is 25749329511.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 115923947520.

It is not an unprimeable number, because it can be changed into a prime (115923947527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881952 + ... + 1004831.

Almost surely, 2^115923947520 is an apocalyptic number.

115923947520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115923947520 is an abundant number, since it is smaller than the sum of its proper divisors (254987598336).

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

115923947520 is an equidigital number, since it uses as much as digits as its factorization.

115923947520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886815 (or 1886793 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 115923947520 in words is "one hundred fifteen billion, nine hundred twenty-three million, nine hundred forty-seven thousand, five hundred twenty".