115757013 has 4 divisors (see below), whose sum is σ = 154342688. Its totient is φ = 77171340.

The previous prime is 115756969. The next prime is 115757023. The reversal of 115757013 is 310757511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115757013 - 2¹⁰ = 115755989 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 (115757023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19292833 + ... + 19292838.

It is an arithmetic number, because the mean of its divisors is an integer number (38585672).

Almost surely, 2^115757013 is an apocalyptic number.

It is an amenable number.

115757013 is a deficient number, since it is larger than the sum of its proper divisors (38585675).

115757013 is an equidigital number, since it uses as much as digits as its factorization.

115757013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38585674.

The product of its (nonzero) digits is 3675, while the sum is 30.

The square root of 115757013 is about 10759.0433124883. The cubic root of 115757013 is about 487.3591272118.

The spelling of 115757013 in words is "one hundred fifteen million, seven hundred fifty-seven thousand, thirteen".