115799 has 4 divisors (see below), whose sum is σ = 118536. Its totient is φ = 113064.

The previous prime is 115793. The next prime is 115807. The reversal of 115799 is 997511.

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 115799 - 2⁴ = 115783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115793) 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, 1304 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (29634).

2¹¹⁵⁷⁹⁹ is an apocalyptic number.

115799 is a deficient number, since it is larger than the sum of its proper divisors (2737).

115799 is an equidigital number, since it uses as much as digits as its factorization.

115799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its digits is 2835, while the sum is 32.

The square root of 115799 is about 340.2925212226. The cubic root of 115799 is about 48.7418044518.

The spelling of 115799 in words is "one hundred fifteen thousand, seven hundred ninety-nine".