115418917 has 2 divisors, whose sum is σ = 115418918. Its totient is φ = 115418916.

The previous prime is 115418909. The next prime is 115418959. The reversal of 115418917 is 719814511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76055841 + 39363076 = 8721^2 + 6274^2 .

It is a cyclic number.

It is not a de Polignac number, because 115418917 - 2³ = 115418909 is a prime.

It is a super-5 number, since 5×115418917⁵ (a number of 42 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115418987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57709458 + 57709459.

It is an arithmetic number, because the mean of its divisors is an integer number (57709459).

Almost surely, 2^115418917 is an apocalyptic number.

It is an amenable number.

115418917 is a deficient number, since it is larger than the sum of its proper divisors (1).

115418917 is an equidigital number, since it uses as much as digits as its factorization.

115418917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 37.

The square root of 115418917 is about 10743.3196452493. The cubic root of 115418917 is about 486.8841816087.

The spelling of 115418917 in words is "one hundred fifteen million, four hundred eighteen thousand, nine hundred seventeen".