115085599 has 4 divisors (see below), whose sum is σ = 115132320. Its totient is φ = 115038880.

The previous prime is 115085573. The next prime is 115085611. The reversal of 115085599 is 995580511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995580511 = 113 ⋅8810447.

It is a cyclic number.

It is not a de Polignac number, because 115085599 - 2⁵ = 115085567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115085539) 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, 19447 + ... + 24664.

It is an arithmetic number, because the mean of its divisors is an integer number (28783080).

Almost surely, 2^115085599 is an apocalyptic number.

115085599 is a deficient number, since it is larger than the sum of its proper divisors (46721).

115085599 is an equidigital number, since it uses as much as digits as its factorization.

115085599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46720.

The product of its (nonzero) digits is 81000, while the sum is 43.

The square root of 115085599 is about 10727.7956263158. The cubic root of 115085599 is about 486.4150391723.

The spelling of 115085599 in words is "one hundred fifteen million, eighty-five thousand, five hundred ninety-nine".