115891759 has 2 divisors, whose sum is σ = 115891760. Its totient is φ = 115891758.

The previous prime is 115891747. The next prime is 115891793. The reversal of 115891759 is 957198511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115891759 - 2⁷ = 115891631 is a prime.

It is a super-2 number, since 2×115891759² = 26861799608228162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115891799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57945879 + 57945880.

It is an arithmetic number, because the mean of its divisors is an integer number (57945880).

Almost surely, 2^115891759 is an apocalyptic number.

115891759 is a deficient number, since it is larger than the sum of its proper divisors (1).

115891759 is an equidigital number, since it uses as much as digits as its factorization.

115891759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 46.

The square root of 115891759 is about 10765.3034792336. The cubic root of 115891759 is about 487.5481560143.

The spelling of 115891759 in words is "one hundred fifteen million, eight hundred ninety-one thousand, seven hundred fifty-nine".