115605919089 has 48 divisors (see below), whose sum is σ = 174596385600. Its totient is φ = 76438904256.

The previous prime is 115605919069. The next prime is 115605919097. The reversal of 115605919089 is 980919506511.

115605919089 is a `hidden beast` number, since 1 + 15 + 605 + 9 + 19 + 0 + 8 + 9 = 666.

It is not a de Polignac number, because 115605919089 - 2⁵ = 115605919057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115605919069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14965182 + ... + 14972904.

It is an arithmetic number, because the mean of its divisors is an integer number (3637424700).

Almost surely, 2^115605919089 is an apocalyptic number.

It is an amenable number.

115605919089 is a deficient number, since it is larger than the sum of its proper divisors (58990466511).

115605919089 is an equidigital number, since it uses as much as digits as its factorization.

115605919089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 54.

The spelling of 115605919089 in words is "one hundred fifteen billion, six hundred five million, nine hundred nineteen thousand, eighty-nine".