116566015 has 4 divisors (see below), whose sum is σ = 139879224. Its totient is φ = 93252808.

The previous prime is 116565989. The next prime is 116566031. The reversal of 116566015 is 510665611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510665611 = 29 ⋅17609159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116566015 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 3 ways as a sum of consecutive naturals, for example, 11656597 + ... + 11656606.

It is an arithmetic number, because the mean of its divisors is an integer number (34969806).

Almost surely, 2^116566015 is an apocalyptic number.

116566015 is a deficient number, since it is larger than the sum of its proper divisors (23313209).

116566015 is an equidigital number, since it uses as much as digits as its factorization.

116566015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23313208.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 116566015 is about 10796.5742251883. The cubic root of 116566015 is about 488.4918434851.

It can be divided in two parts, 11656 and 6015, that added together give a palindrome (17671).

The spelling of 116566015 in words is "one hundred sixteen million, five hundred sixty-six thousand, fifteen".