116181115 has 4 divisors (see below), whose sum is σ = 139417344. Its totient is φ = 92944888.

The previous prime is 116181103. The next prime is 116181139. The reversal of 116181115 is 511181611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116181115 - 2²⁵ = 82626683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116181115.

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, 11618107 + ... + 11618116.

It is an arithmetic number, because the mean of its divisors is an integer number (34854336).

Almost surely, 2^116181115 is an apocalyptic number.

116181115 is a deficient number, since it is larger than the sum of its proper divisors (23236229).

116181115 is an equidigital number, since it uses as much as digits as its factorization.

116181115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236228.

The product of its digits is 240, while the sum is 25.

The square root of 116181115 is about 10778.7343876728. The cubic root of 116181115 is about 487.9535852904.

The spelling of 116181115 in words is "one hundred sixteen million, one hundred eighty-one thousand, one hundred fifteen".