115508893 has 2 divisors, whose sum is σ = 115508894. Its totient is φ = 115508892.

The previous prime is 115508891. The next prime is 115508903. The reversal of 115508893 is 398805511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63409369 + 52099524 = 7963^2 + 7218^2 .

It is a cyclic number.

It is not a de Polignac number, because 115508893 - 2¹ = 115508891 is a prime.

Together with 115508891, 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 (115508891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57754446 + 57754447.

It is an arithmetic number, because the mean of its divisors is an integer number (57754447).

Almost surely, 2^115508893 is an apocalyptic number.

It is an amenable number.

115508893 is a deficient number, since it is larger than the sum of its proper divisors (1).

115508893 is an equidigital number, since it uses as much as digits as its factorization.

115508893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 115508893 is about 10747.5063619428. The cubic root of 115508893 is about 487.0106672650.

The spelling of 115508893 in words is "one hundred fifteen million, five hundred eight thousand, eight hundred ninety-three".