115585859 has 2 divisors, whose sum is σ = 115585860. Its totient is φ = 115585858.

The previous prime is 115585829. The next prime is 115585861. The reversal of 115585859 is 958585511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115585859 - 2²⁴ = 98808643 is a prime.

It is a Sophie Germain prime.

Together with 115585861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115585829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57792929 + 57792930.

It is an arithmetic number, because the mean of its divisors is an integer number (57792930).

Almost surely, 2^115585859 is an apocalyptic number.

115585859 is a deficient number, since it is larger than the sum of its proper divisors (1).

115585859 is an equidigital number, since it uses as much as digits as its factorization.

115585859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360000, while the sum is 47.

The square root of 115585859 is about 10751.0864102192. The cubic root of 115585859 is about 487.1188117257.

The spelling of 115585859 in words is "one hundred fifteen million, five hundred eighty-five thousand, eight hundred fifty-nine".