115261871 has 2 divisors, whose sum is σ = 115261872. Its totient is φ = 115261870.

The previous prime is 115261843. The next prime is 115261877. The reversal of 115261871 is 178162511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115261871 - 2⁶ = 115261807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115261877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57630935 + 57630936.

It is an arithmetic number, because the mean of its divisors is an integer number (57630936).

Almost surely, 2^115261871 is an apocalyptic number.

115261871 is a deficient number, since it is larger than the sum of its proper divisors (1).

115261871 is an equidigital number, since it uses as much as digits as its factorization.

115261871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 32.

The square root of 115261871 is about 10736.0081501459. The cubic root of 115261871 is about 486.6632532965.

The spelling of 115261871 in words is "one hundred fifteen million, two hundred sixty-one thousand, eight hundred seventy-one".