115366109 has 2 divisors, whose sum is σ = 115366110. Its totient is φ = 115366108.

The previous prime is 115366103. The next prime is 115366123. The reversal of 115366109 is 901663511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109265209 + 6100900 = 10453^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 115366109 - 2⁴ = 115366093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115366103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57683054 + 57683055.

It is an arithmetic number, because the mean of its divisors is an integer number (57683055).

Almost surely, 2^115366109 is an apocalyptic number.

It is an amenable number.

115366109 is a deficient number, since it is larger than the sum of its proper divisors (1).

115366109 is an equidigital number, since it uses as much as digits as its factorization.

115366109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 115366109 is about 10740.8616507243. The cubic root of 115366109 is about 486.8099150361.

The spelling of 115366109 in words is "one hundred fifteen million, three hundred sixty-six thousand, one hundred nine".