115713557 has 4 divisors (see below), whose sum is σ = 115735980. Its totient is φ = 115691136.

The previous prime is 115713527. The next prime is 115713571. The reversal of 115713557 is 755317511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80120401 + 35593156 = 8951^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 115713557 - 2¹⁰ = 115712533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115713527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869 + ... + 15237.

It is an arithmetic number, because the mean of its divisors is an integer number (28933995).

Almost surely, 2^115713557 is an apocalyptic number.

It is an amenable number.

115713557 is a deficient number, since it is larger than the sum of its proper divisors (22423).

115713557 is an equidigital number, since it uses as much as digits as its factorization.

115713557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422.

The product of its digits is 18375, while the sum is 35.

The square root of 115713557 is about 10757.0236125055. The cubic root of 115713557 is about 487.2981335595.

The spelling of 115713557 in words is "one hundred fifteen million, seven hundred thirteen thousand, five hundred fifty-seven".