13103112015 has 160 divisors (see below), whose sum is σ = 28895543424. Its totient is φ = 5543976960.

The previous prime is 13103111951. The next prime is 13103112017. The reversal of 13103112015 is 51021130131.

13103112015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13103112015 - 2⁶ = 13103111951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103112017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2937667 + ... + 2942123.

Almost surely, 2^13103112015 is an apocalyptic number.

13103112015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13103112015 is an abundant number, since it is smaller than the sum of its proper divisors (15792431409).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103112015 is a wasteful number, since it uses less digits than its factorization.

13103112015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 13103112015 its reverse (51021130131), we get a palindrome (64124242146).

The spelling of 13103112015 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, fifteen".