115455917 has 2 divisors, whose sum is σ = 115455918. Its totient is φ = 115455916.

The previous prime is 115455853. The next prime is 115455953. The reversal of 115455917 is 719554511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110901961 + 4553956 = 10531^2 + 2134^2 .

It is a cyclic number.

It is not a de Polignac number, because 115455917 - 2⁶ = 115455853 is a 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 (115457917) 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, 57727958 + 57727959.

It is an arithmetic number, because the mean of its divisors is an integer number (57727959).

Almost surely, 2^115455917 is an apocalyptic number.

It is an amenable number.

115455917 is a deficient number, since it is larger than the sum of its proper divisors (1).

115455917 is an equidigital number, since it uses as much as digits as its factorization.

115455917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 38.

The square root of 115455917 is about 10745.0415075978. The cubic root of 115455917 is about 486.9362030928.

The spelling of 115455917 in words is "one hundred fifteen million, four hundred fifty-five thousand, nine hundred seventeen".