115617611 has 2 divisors, whose sum is σ = 115617612. Its totient is φ = 115617610.

The previous prime is 115617599. The next prime is 115617613. The reversal of 115617611 is 116716511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115617611 - 2¹⁰ = 115616587 is a prime.

Together with 115617613, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6605912 and since 115617611 and 6605912 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (115617613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57808805 + 57808806.

It is an arithmetic number, because the mean of its divisors is an integer number (57808806).

Almost surely, 2^115617611 is an apocalyptic number.

115617611 is a deficient number, since it is larger than the sum of its proper divisors (1).

115617611 is an equidigital number, since it uses as much as digits as its factorization.

115617611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 29.

The square root of 115617611 is about 10752.5629967929. The cubic root of 115617611 is about 487.1634122809.

The spelling of 115617611 in words is "one hundred fifteen million, six hundred seventeen thousand, six hundred eleven".