115516116 has 18 divisors (see below), whose sum is σ = 291999162. Its totient is φ = 38505360.

The previous prime is 115516111. The next prime is 115516123. The reversal of 115516116 is 611615511.

It can be written as a sum of positive squares in only one way, i.e., 84713616 + 30802500 = 9204^2 + 5550^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 115516116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115516111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604355 + ... + 1604426.

Almost surely, 2^115516116 is an apocalyptic number.

It is an amenable number.

115516116 is an abundant number, since it is smaller than the sum of its proper divisors (176483046).

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

115516116 is a wasteful number, since it uses less digits than its factorization.

115516116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208791 (or 3208786 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

The square root of 115516116 is about 10747.8423881261. The cubic root of 115516116 is about 487.0208183009.

It can be divided in two parts, 1155 and 16116, that added together give a palindrome (17271).

The spelling of 115516116 in words is "one hundred fifteen million, five hundred sixteen thousand, one hundred sixteen".