116515515611 has 4 divisors (see below), whose sum is σ = 127107835224. Its totient is φ = 105923196000.

The previous prime is 116515515607. The next prime is 116515515631.

116515515611 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116515515611 - 2² = 116515515607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116515515631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296159790 + ... + 5296159811.

It is an arithmetic number, because the mean of its divisors is an integer number (31776958806).

Almost surely, 2^116515515611 is an apocalyptic number.

116515515611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116515515611 is a deficient number, since it is larger than the sum of its proper divisors (10592319613).

116515515611 is a wasteful number, since it uses less digits than its factorization.

116515515611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592319612.

The product of its digits is 22500, while the sum is 38.

The spelling of 116515515611 in words is "one hundred sixteen billion, five hundred fifteen million, five hundred fifteen thousand, six hundred eleven".