115516115066 has 32 divisors (see below), whose sum is σ = 190270866240. Its totient is φ = 52162720000.

The previous prime is 115516115063. The next prime is 115516115069. The reversal of 115516115066 is 660511615511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115516115063) and next prime (115516115069).

It is not an unprimeable number, because it can be changed into a prime (115516115063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121170 + ... + 2174946.

It is an arithmetic number, because the mean of its divisors is an integer number (5945964570).

Almost surely, 2^115516115066 is an apocalyptic number.

115516115066 is a deficient number, since it is larger than the sum of its proper divisors (74754751174).

115516115066 is a wasteful number, since it uses less digits than its factorization.

115516115066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54430.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 115516115066 in words is "one hundred fifteen billion, five hundred sixteen million, one hundred fifteen thousand, sixty-six".