115791 has 8 divisors (see below), whose sum is σ = 166320. Its totient is φ = 71232.

The previous prime is 115783. The next prime is 115793. The reversal of 115791 is 197511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115791 - 2³ = 115783 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2¹¹⁵⁷⁹¹ is an apocalyptic number.

115791 is a deficient number, since it is larger than the sum of its proper divisors (50529).

115791 is a wasteful number, since it uses less digits than its factorization.

115791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its digits is 315, while the sum is 24.

The square root of 115791 is about 340.2807664268. The cubic root of 115791 is about 48.7406819798.

The spelling of 115791 in words is "one hundred fifteen thousand, seven hundred ninety-one".