115289113 has 2 divisors, whose sum is σ = 115289114. Its totient is φ = 115289112.

The previous prime is 115289051. The next prime is 115289137. The reversal of 115289113 is 311982511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70090384 + 45198729 = 8372^2 + 6723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115289113 is a prime.

It is not a weakly prime, because it can be changed into another prime (115287113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57644556 + 57644557.

It is an arithmetic number, because the mean of its divisors is an integer number (57644557).

Almost surely, 2^115289113 is an apocalyptic number.

It is an amenable number.

115289113 is a deficient number, since it is larger than the sum of its proper divisors (1).

115289113 is an equidigital number, since it uses as much as digits as its factorization.

115289113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 31.

The square root of 115289113 is about 10737.2767962831. The cubic root of 115289113 is about 486.7015910280.

The spelling of 115289113 in words is "one hundred fifteen million, two hundred eighty-nine thousand, one hundred thirteen".