115620113 has 4 divisors (see below), whose sum is σ = 132137280. Its totient is φ = 99102948.

The previous prime is 115620107. The next prime is 115620119. The reversal of 115620113 is 311026511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311026511 = 113 ⋅2752447.

It is an interprime number because it is at equal distance from previous prime (115620107) and next prime (115620119).

It is not a de Polignac number, because 115620113 - 2⁴ = 115620097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115620119) 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, 8258573 + ... + 8258586.

It is an arithmetic number, because the mean of its divisors is an integer number (33034320).

Almost surely, 2^115620113 is an apocalyptic number.

It is an amenable number.

115620113 is a deficient number, since it is larger than the sum of its proper divisors (16517167).

115620113 is an equidigital number, since it uses as much as digits as its factorization.

115620113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517166.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115620113 is about 10752.6793405179. The cubic root of 115620113 is about 487.1669263766.

Adding to 115620113 its reverse (311026511), we get a palindrome (426646624).

The spelling of 115620113 in words is "one hundred fifteen million, six hundred twenty thousand, one hundred thirteen".