115085513 has 2 divisors, whose sum is σ = 115085514. Its totient is φ = 115085512.

The previous prime is 115085507. The next prime is 115085521. The reversal of 115085513 is 315580511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83759104 + 31326409 = 9152^2 + 5597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115085513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115085573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57542756 + 57542757.

It is an arithmetic number, because the mean of its divisors is an integer number (57542757).

Almost surely, 2^115085513 is an apocalyptic number.

It is an amenable number.

115085513 is a deficient number, since it is larger than the sum of its proper divisors (1).

115085513 is an equidigital number, since it uses as much as digits as its factorization.

115085513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 115085513 is about 10727.7916180358. The cubic root of 115085513 is about 486.4149180112.

The spelling of 115085513 in words is "one hundred fifteen million, eighty-five thousand, five hundred thirteen".