115155566066 has 16 divisors (see below), whose sum is σ = 180275587200. Its totient is φ = 55064595168.

The previous prime is 115155566039. The next prime is 115155566083. The reversal of 115155566066 is 660665551511.

It is a self number, because there is not a number n which added to its sum of digits gives 115155566066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41675 + ... + 481713.

It is an arithmetic number, because the mean of its divisors is an integer number (11267224200).

Almost surely, 2^115155566066 is an apocalyptic number.

115155566066 is a deficient number, since it is larger than the sum of its proper divisors (65120021134).

115155566066 is a wasteful number, since it uses less digits than its factorization.

115155566066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445753.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 115155566066 in words is "one hundred fifteen billion, one hundred fifty-five million, five hundred sixty-six thousand, sixty-six".