115665713 has 2 divisors, whose sum is σ = 115665714. Its totient is φ = 115665712.

The previous prime is 115665691. The next prime is 115665727. The reversal of 115665713 is 317566511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97278769 + 18386944 = 9863^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 115665713 - 2⁸ = 115665457 is a prime.

It is not a weakly prime, because it can be changed into another prime (115665733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57832856 + 57832857.

It is an arithmetic number, because the mean of its divisors is an integer number (57832857).

Almost surely, 2^115665713 is an apocalyptic number.

It is an amenable number.

115665713 is a deficient number, since it is larger than the sum of its proper divisors (1).

115665713 is an equidigital number, since it uses as much as digits as its factorization.

115665713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 115665713 is about 10754.7995332317. The cubic root of 115665713 is about 487.2309633665.

The spelling of 115665713 in words is "one hundred fifteen million, six hundred sixty-five thousand, seven hundred thirteen".