13163515513 has 2 divisors, whose sum is σ = 13163515514. Its totient is φ = 13163515512.

The previous prime is 13163515511. The next prime is 13163515529. The reversal of 13163515513 is 31551536131.

13163515513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12842102329 + 321413184 = 113323^2 + 17928^2 .

It is an emirp because it is prime and its reverse (31551536131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13163515513 - 2¹ = 13163515511 is a prime.

Together with 13163515511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13163515511) 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 as a sum of consecutive naturals, namely, 6581757756 + 6581757757.

It is an arithmetic number, because the mean of its divisors is an integer number (6581757757).

Almost surely, 2^13163515513 is an apocalyptic number.

It is an amenable number.

13163515513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13163515513 is an equidigital number, since it uses as much as digits as its factorization.

13163515513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 34.

The spelling of 13163515513 in words is "thirteen billion, one hundred sixty-three million, five hundred fifteen thousand, five hundred thirteen".