115313089 has 2 divisors, whose sum is σ = 115313090. Its totient is φ = 115313088.

The previous prime is 115313083. The next prime is 115313101. The reversal of 115313089 is 980313511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63473089 + 51840000 = 7967^2 + 7200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115313089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115313089.

It is not a weakly prime, because it can be changed into another prime (115313083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57656544 + 57656545.

It is an arithmetic number, because the mean of its divisors is an integer number (57656545).

Almost surely, 2^115313089 is an apocalyptic number.

It is an amenable number.

115313089 is a deficient number, since it is larger than the sum of its proper divisors (1).

115313089 is an equidigital number, since it uses as much as digits as its factorization.

115313089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 115313089 is about 10738.3932224519. The cubic root of 115313089 is about 486.7353275137.

The spelling of 115313089 in words is "one hundred fifteen million, three hundred thirteen thousand, eighty-nine".