115949099 has 4 divisors (see below), whose sum is σ = 132513264. Its totient is φ = 99384936.

The previous prime is 115949089. The next prime is 115949123. The reversal of 115949099 is 990949511.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-115949099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115949069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8282072 + ... + 8282085.

It is an arithmetic number, because the mean of its divisors is an integer number (33128316).

Almost surely, 2^115949099 is an apocalyptic number.

115949099 is a deficient number, since it is larger than the sum of its proper divisors (16564165).

115949099 is an equidigital number, since it uses as much as digits as its factorization.

115949099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564164.

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 115949099 is about 10767.9663353857. The cubic root of 115949099 is about 487.6285511525.

The spelling of 115949099 in words is "one hundred fifteen million, nine hundred forty-nine thousand, ninety-nine".