116561566055 has 8 divisors (see below), whose sum is σ = 152589686544. Its totient is φ = 84772048000.

The previous prime is 116561566039. The next prime is 116561566061. The reversal of 116561566055 is 550665165611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116561566055 - 2⁴ = 116561566039 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1059650546 + ... + 1059650655.

It is an arithmetic number, because the mean of its divisors is an integer number (19073710818).

Almost surely, 2^116561566055 is an apocalyptic number.

116561566055 is a deficient number, since it is larger than the sum of its proper divisors (36028120489).

116561566055 is a wasteful number, since it uses less digits than its factorization.

116561566055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119301217.

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

The spelling of 116561566055 in words is "one hundred sixteen billion, five hundred sixty-one million, five hundred sixty-six thousand, fifty-five".