116056520665 has 4 divisors (see below), whose sum is σ = 139267824804. Its totient is φ = 92845216528.

The previous prime is 116056520653. The next prime is 116056520717. The reversal of 116056520665 is 566025650611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566025650611 = 6869 ⋅82402919.

It can be written as a sum of positive squares in 2 ways, for example, as 33259911129 + 82796609536 = 182373^2 + 287744^2 .

It is a cyclic number.

It is not a de Polignac number, because 116056520665 - 2⁵ = 116056520633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11605652062 + ... + 11605652071.

It is an arithmetic number, because the mean of its divisors is an integer number (34816956201).

Almost surely, 2^116056520665 is an apocalyptic number.

It is an amenable number.

116056520665 is a deficient number, since it is larger than the sum of its proper divisors (23211304139).

116056520665 is an equidigital number, since it uses as much as digits as its factorization.

116056520665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23211304138.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 116056520665 in words is "one hundred sixteen billion, fifty-six million, five hundred twenty thousand, six hundred sixty-five".