116505115155 has 80 divisors (see below), whose sum is σ = 245357902944. Its totient is φ = 52142123520.

The previous prime is 116505115099. The next prime is 116505115159. The reversal of 116505115155 is 551511505611.

It is not a de Polignac number, because 116505115155 - 2²⁹ = 115968244243 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (116505115159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 947914 + ... + 1063743.

Almost surely, 2^116505115155 is an apocalyptic number.

116505115155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116505115155 is an abundant number, since it is smaller than the sum of its proper divisors (128852787789).

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

116505115155 is a wasteful number, since it uses less digits than its factorization.

116505115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011698 (or 2011689 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 116505115155 in words is "one hundred sixteen billion, five hundred five million, one hundred fifteen thousand, one hundred fifty-five".