115662571 has 2 divisors, whose sum is σ = 115662572. Its totient is φ = 115662570.

The previous prime is 115662559. The next prime is 115662601. The reversal of 115662571 is 175266511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115662571 - 2⁵ = 115662539 is a prime.

It is not a weakly prime, because it can be changed into another prime (115662551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57831285 + 57831286.

It is an arithmetic number, because the mean of its divisors is an integer number (57831286).

Almost surely, 2^115662571 is an apocalyptic number.

115662571 is a deficient number, since it is larger than the sum of its proper divisors (1).

115662571 is an equidigital number, since it uses as much as digits as its factorization.

115662571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 115662571 is about 10754.6534579223. The cubic root of 115662571 is about 487.2265515331.

The spelling of 115662571 in words is "one hundred fifteen million, six hundred sixty-two thousand, five hundred seventy-one".