115613385 has 32 divisors (see below), whose sum is σ = 197420160. Its totient is φ = 57604608.

The previous prime is 115613383. The next prime is 115613453. The reversal of 115613385 is 583316511.

It is not a de Polignac number, because 115613385 - 2¹ = 115613383 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115613383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18027 + ... + 23583.

It is an arithmetic number, because the mean of its divisors is an integer number (6169380).

Almost surely, 2^115613385 is an apocalyptic number.

115613385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115613385 is a deficient number, since it is larger than the sum of its proper divisors (81806775).

115613385 is a wasteful number, since it uses less digits than its factorization.

115613385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its digits is 10800, while the sum is 33.

The square root of 115613385 is about 10752.3664837095. The cubic root of 115613385 is about 487.1574766867.

Adding to 115613385 its reverse (583316511), we get a palindrome (698929896).

It can be divided in two parts, 1156 and 13385, that added together give a palindrome (14541).

The spelling of 115613385 in words is "one hundred fifteen million, six hundred thirteen thousand, three hundred eighty-five".