13115115 has 80 divisors (see below), whose sum is σ = 26345088. Its totient is φ = 6200064.

The previous prime is 13115099. The next prime is 13115117. The reversal of 13115115 is 51151131.

It is not a de Polignac number, because 13115115 - 2⁴ = 13115099 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13115117) 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 79 ways as a sum of consecutive naturals, for example, 247429 + ... + 247481.

Almost surely, 2^13115115 is an apocalyptic number.

13115115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13115115 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13115115 is a wasteful number, since it uses less digits than its factorization.

13115115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 121 counting only the distinct ones).

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

The square root of 13115115 is about 3621.4796699692. The cubic root of 13115115 is about 235.8254658509.

Adding to 13115115 its reverse (51151131), we get a palindrome (64266246).

The spelling of 13115115 in words is "thirteen million, one hundred fifteen thousand, one hundred fifteen".