115588399 has 2 divisors, whose sum is σ = 115588400. Its totient is φ = 115588398.

The previous prime is 115588397. The next prime is 115588433. The reversal of 115588399 is 993885511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115588399 - 2¹ = 115588397 is a prime.

Together with 115588397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115588391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57794199 + 57794200.

It is an arithmetic number, because the mean of its divisors is an integer number (57794200).

Almost surely, 2^115588399 is an apocalyptic number.

115588399 is a deficient number, since it is larger than the sum of its proper divisors (1).

115588399 is an equidigital number, since it uses as much as digits as its factorization.

115588399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 49.

The square root of 115588399 is about 10751.2045371670. The cubic root of 115588399 is about 487.1223798459.

The spelling of 115588399 in words is "one hundred fifteen million, five hundred eighty-eight thousand, three hundred ninety-nine".