113115571 has 2 divisors, whose sum is σ = 113115572. Its totient is φ = 113115570.

The previous prime is 113115539. The next prime is 113115581. The reversal of 113115571 is 175511311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113115571 - 2⁵ = 113115539 is a prime.

It is not a weakly prime, because it can be changed into another prime (113115521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56557785 + 56557786.

It is an arithmetic number, because the mean of its divisors is an integer number (56557786).

Almost surely, 2^113115571 is an apocalyptic number.

113115571 is a deficient number, since it is larger than the sum of its proper divisors (1).

113115571 is an equidigital number, since it uses as much as digits as its factorization.

113115571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 525, while the sum is 25.

The square root of 113115571 is about 10635.5804260981. The cubic root of 113115571 is about 483.6235760767.

Adding to 113115571 its reverse (175511311), we get a palindrome (288626882).

The spelling of 113115571 in words is "one hundred thirteen million, one hundred fifteen thousand, five hundred seventy-one".