115768511 has 2 divisors, whose sum is σ = 115768512. Its totient is φ = 115768510.

The previous prime is 115768489. The next prime is 115768519. The reversal of 115768511 is 115867511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115768511 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115768519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57884255 + 57884256.

It is an arithmetic number, because the mean of its divisors is an integer number (57884256).

Almost surely, 2^115768511 is an apocalyptic number.

115768511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115768511 is an equidigital number, since it uses as much as digits as its factorization.

115768511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 35.

The square root of 115768511 is about 10759.5776404095. The cubic root of 115768511 is about 487.3752629360.

The spelling of 115768511 in words is "one hundred fifteen million, seven hundred sixty-eight thousand, five hundred eleven".