11516215164 has 36 divisors (see below), whose sum is σ = 27176708664. Its totient is φ = 3795575168.

The previous prime is 11516215163. The next prime is 11516215169. The reversal of 11516215164 is 46151261511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516215163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34474 + ... + 155630.

It is an arithmetic number, because the mean of its divisors is an integer number (754908574).

Almost surely, 2^11516215164 is an apocalyptic number.

It is an amenable number.

11516215164 is an abundant number, since it is smaller than the sum of its proper divisors (15660493500).

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

11516215164 is a wasteful number, since it uses less digits than its factorization.

11516215164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121342 (or 121251 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

Adding to 11516215164 its reverse (46151261511), we get a palindrome (57667476675).

The spelling of 11516215164 in words is "eleven billion, five hundred sixteen million, two hundred fifteen thousand, one hundred sixty-four".