115800591 has 16 divisors (see below), whose sum is σ = 158501376. Its totient is φ = 75161856.

The previous prime is 115800577. The next prime is 115800599. The reversal of 115800591 is 195008511.

It is not a de Polignac number, because 115800591 - 2¹⁵ = 115767823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115800599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44266 + ... + 46808.

It is an arithmetic number, because the mean of its divisors is an integer number (9906336).

Almost surely, 2^115800591 is an apocalyptic number.

115800591 is a deficient number, since it is larger than the sum of its proper divisors (42700785).

115800591 is a wasteful number, since it uses less digits than its factorization.

115800591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 115800591 is about 10761.0683019856. The cubic root of 115800591 is about 487.4202767725.

The spelling of 115800591 in words is "one hundred fifteen million, eight hundred thousand, five hundred ninety-one".