115617599 has 2 divisors, whose sum is σ = 115617600. Its totient is φ = 115617598.

The previous prime is 115617533. The next prime is 115617611. The reversal of 115617599 is 995716511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115617599 - 2²⁴ = 98840383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115617199) 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 as a sum of consecutive naturals, namely, 57808799 + 57808800.

It is an arithmetic number, because the mean of its divisors is an integer number (57808800).

Almost surely, 2^115617599 is an apocalyptic number.

115617599 is a deficient number, since it is larger than the sum of its proper divisors (1).

115617599 is an equidigital number, since it uses as much as digits as its factorization.

115617599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 44.

The square root of 115617599 is about 10752.5624387864. The cubic root of 115617599 is about 487.1633954266.

The spelling of 115617599 in words is "one hundred fifteen million, six hundred seventeen thousand, five hundred ninety-nine".