115113539 has 2 divisors, whose sum is σ = 115113540. Its totient is φ = 115113538.

The previous prime is 115113529. The next prime is 115113553. The reversal of 115113539 is 935311511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115113539 - 2¹² = 115109443 is a prime.

It is a super-2 number, since 2×115113539² = 26502253722209042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115113529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57556769 + 57556770.

It is an arithmetic number, because the mean of its divisors is an integer number (57556770).

Almost surely, 2^115113539 is an apocalyptic number.

115113539 is a deficient number, since it is larger than the sum of its proper divisors (1).

115113539 is an equidigital number, since it uses as much as digits as its factorization.

115113539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 29.

The square root of 115113539 is about 10729.0977719471. The cubic root of 115113539 is about 486.4543992563.

The spelling of 115113539 in words is "one hundred fifteen million, one hundred thirteen thousand, five hundred thirty-nine".