115515050616 has 80 divisors (see below), whose sum is σ = 369770414640. Its totient is φ = 33004298880.

The previous prime is 115515050597. The next prime is 115515050617. The reversal of 115515050616 is 616050515511.

It is a happy number.

115515050616 is a `hidden beast` number, since 1 + 1 + 551 + 50 + 50 + 6 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115515050617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12728605 + ... + 12737676.

It is an arithmetic number, because the mean of its divisors is an integer number (4622130183).

Almost surely, 2^115515050616 is an apocalyptic number.

It is an amenable number.

115515050616 is an abundant number, since it is smaller than the sum of its proper divisors (254255364024).

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

115515050616 is a wasteful number, since it uses less digits than its factorization.

115515050616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466306 (or 25466293 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 115515050616 in words is "one hundred fifteen billion, five hundred fifteen million, fifty thousand, six hundred sixteen".