115086289 has 2 divisors, whose sum is σ = 115086290. Its totient is φ = 115086288.

The previous prime is 115086271. The next prime is 115086359. The reversal of 115086289 is 982680511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60326289 + 54760000 = 7767^2 + 7400^2 .

It is an emirp because it is prime and its reverse (982680511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115086289 - 2⁹ = 115085777 is a prime.

It is not a weakly prime, because it can be changed into another prime (115086269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57543144 + 57543145.

It is an arithmetic number, because the mean of its divisors is an integer number (57543145).

Almost surely, 2^115086289 is an apocalyptic number.

It is an amenable number.

115086289 is a deficient number, since it is larger than the sum of its proper divisors (1).

115086289 is an equidigital number, since it uses as much as digits as its factorization.

115086289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 115086289 is about 10727.8277857169. The cubic root of 115086289 is about 486.4160112769.

The spelling of 115086289 in words is "one hundred fifteen million, eighty-six thousand, two hundred eighty-nine".