13515182113 has 8 divisors (see below), whose sum is σ = 13715137800. Its totient is φ = 13315627008.

The previous prime is 13515182111. The next prime is 13515182147. The reversal of 13515182113 is 31128151531.

It can be written as a sum of positive squares in 4 ways, for example, as 1817104 + 13513365009 = 1348^2 + 116247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13515182113 - 2¹ = 13515182111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13515182111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31828 + ... + 167461.

It is an arithmetic number, because the mean of its divisors is an integer number (1714392225).

Almost surely, 2^13515182113 is an apocalyptic number.

It is an amenable number.

13515182113 is a deficient number, since it is larger than the sum of its proper divisors (199955687).

13515182113 is an equidigital number, since it uses as much as digits as its factorization.

13515182113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200291.

The product of its digits is 3600, while the sum is 31.

The spelling of 13515182113 in words is "thirteen billion, five hundred fifteen million, one hundred eighty-two thousand, one hundred thirteen".