115318571 has 2 divisors, whose sum is σ = 115318572. Its totient is φ = 115318570.

The previous prime is 115318559. The next prime is 115318597. The reversal of 115318571 is 175813511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115318571 - 2⁶ = 115318507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115618571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57659285 + 57659286.

It is an arithmetic number, because the mean of its divisors is an integer number (57659286).

Almost surely, 2^115318571 is an apocalyptic number.

115318571 is a deficient number, since it is larger than the sum of its proper divisors (1).

115318571 is an equidigital number, since it uses as much as digits as its factorization.

115318571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 32.

The square root of 115318571 is about 10738.6484717584. The cubic root of 115318571 is about 486.7430405461.

It can be divided in two parts, 11531 and 8571, that added together give a palindrome (20102).

The spelling of 115318571 in words is "one hundred fifteen million, three hundred eighteen thousand, five hundred seventy-one".