115615571 has 2 divisors, whose sum is σ = 115615572. Its totient is φ = 115615570.

The previous prime is 115615541. The next prime is 115615579. The reversal of 115615571 is 175516511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115615571 - 2²² = 111421267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115615579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57807785 + 57807786.

It is an arithmetic number, because the mean of its divisors is an integer number (57807786).

Almost surely, 2^115615571 is an apocalyptic number.

115615571 is a deficient number, since it is larger than the sum of its proper divisors (1).

115615571 is an equidigital number, since it uses as much as digits as its factorization.

115615571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 32.

The square root of 115615571 is about 10752.4681352702. The cubic root of 115615571 is about 487.1605470334.

The spelling of 115615571 in words is "one hundred fifteen million, six hundred fifteen thousand, five hundred seventy-one".