116561566112 has 48 divisors (see below), whose sum is σ = 231831984384. Its totient is φ = 57684000000.

The previous prime is 116561566067. The next prime is 116561566123. The reversal of 116561566112 is 211665165611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 116561566112.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15351437 + ... + 15359027.

It is an arithmetic number, because the mean of its divisors is an integer number (4829833008).

Almost surely, 2^116561566112 is an apocalyptic number.

It is an amenable number.

116561566112 is a deficient number, since it is larger than the sum of its proper divisors (115270418272).

116561566112 is a wasteful number, since it uses less digits than its factorization.

116561566112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12453 (or 12445 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The spelling of 116561566112 in words is "one hundred sixteen billion, five hundred sixty-one million, five hundred sixty-six thousand, one hundred twelve".