115564511 has 2 divisors, whose sum is σ = 115564512. Its totient is φ = 115564510.

The previous prime is 115564483. The next prime is 115564513. The reversal of 115564511 is 115465511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115564511 - 2⁶ = 115564447 is a prime.

Together with 115564513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115564513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57782255 + 57782256.

It is an arithmetic number, because the mean of its divisors is an integer number (57782256).

Almost surely, 2^115564511 is an apocalyptic number.

115564511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115564511 is an equidigital number, since it uses as much as digits as its factorization.

115564511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 29.

The square root of 115564511 is about 10750.0935344768. The cubic root of 115564511 is about 487.0888205925.

The spelling of 115564511 in words is "one hundred fifteen million, five hundred sixty-four thousand, five hundred eleven".