15115113 has 16 divisors (see below), whose sum is σ = 24115840. Its totient is φ = 9301392.

The previous prime is 15115103. The next prime is 15115169. The reversal of 15115113 is 31151151.

15115113 is a `hidden beast` number, since 151 + 1 + 511 + 3 = 666.

It is not a de Polignac number, because 15115113 - 2⁵ = 15115081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15115103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21181 + ... + 21882.

It is an arithmetic number, because the mean of its divisors is an integer number (1507240).

Almost surely, 2^15115113 is an apocalyptic number.

15115113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15115113 is a deficient number, since it is larger than the sum of its proper divisors (9000727).

15115113 is a wasteful number, since it uses less digits than its factorization.

15115113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43085 (or 43079 counting only the distinct ones).

The product of its digits is 75, while the sum is 18.

The square root of 15115113 is about 3887.8159678668. The cubic root of 15115113 is about 247.2504739520.

Adding to 15115113 its reverse (31151151), we get a palindrome (46266264).

The spelling of 15115113 in words is "fifteen million, one hundred fifteen thousand, one hundred thirteen".