13161344513 has 4 divisors (see below), whose sum is σ = 13161777600. Its totient is φ = 13160911428.

The previous prime is 13161344509. The next prime is 13161344617. The reversal of 13161344513 is 31544316131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13161344513 - 2² = 13161344509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13161344513.

It is not an unprimeable number, because it can be changed into a prime (13161344813) 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 3 ways as a sum of consecutive naturals, for example, 167213 + ... + 232986.

It is an arithmetic number, because the mean of its divisors is an integer number (3290444400).

Almost surely, 2^13161344513 is an apocalyptic number.

It is an amenable number.

13161344513 is a deficient number, since it is larger than the sum of its proper divisors (433087).

13161344513 is an equidigital number, since it uses as much as digits as its factorization.

13161344513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433086.

The product of its digits is 12960, while the sum is 32.

The spelling of 13161344513 in words is "thirteen billion, one hundred sixty-one million, three hundred forty-four thousand, five hundred thirteen".