13158915563 has 2 divisors, whose sum is σ = 13158915564. Its totient is φ = 13158915562.

The previous prime is 13158915527. The next prime is 13158915587. The reversal of 13158915563 is 36551985131.

13158915563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13158915563 - 2¹⁰ = 13158914539 is a prime.

It is not a weakly prime, because it can be changed into another prime (13158914563) 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, 6579457781 + 6579457782.

It is an arithmetic number, because the mean of its divisors is an integer number (6579457782).

Almost surely, 2^13158915563 is an apocalyptic number.

13158915563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13158915563 is an equidigital number, since it uses as much as digits as its factorization.

13158915563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 47.

The spelling of 13158915563 in words is "thirteen billion, one hundred fifty-eight million, nine hundred fifteen thousand, five hundred sixty-three".