115836091 has 16 divisors (see below), whose sum is σ = 134092800. Its totient is φ = 98016768.

The previous prime is 115836047. The next prime is 115836107. The reversal of 115836091 is 190638511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115836091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115836001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241590 + ... + 242068.

It is an arithmetic number, because the mean of its divisors is an integer number (8380800).

Almost surely, 2^115836091 is an apocalyptic number.

115836091 is a deficient number, since it is larger than the sum of its proper divisors (18256709).

115836091 is a wasteful number, since it uses less digits than its factorization.

115836091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 115836091 is about 10762.7176400759. The cubic root of 115836091 is about 487.4700797767.

It can be divided in two parts, 1158 and 36091, that added together give a square (37249 = 193²).

The spelling of 115836091 in words is "one hundred fifteen million, eight hundred thirty-six thousand, ninety-one".