13163100505 has 4 divisors (see below), whose sum is σ = 15795720612. Its totient is φ = 10530480400.

The previous prime is 13163100479. The next prime is 13163100521. The reversal of 13163100505 is 50500136131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50500136131 = 17 ⋅2970596243.

It can be written as a sum of positive squares in 2 ways, for example, as 10080963216 + 3082137289 = 100404^2 + 55517^2 .

It is not a de Polignac number, because 13163100505 - 2¹¹ = 13163098457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13163100505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316310046 + ... + 1316310055.

It is an arithmetic number, because the mean of its divisors is an integer number (3948930153).

Almost surely, 2^13163100505 is an apocalyptic number.

It is an amenable number.

13163100505 is a deficient number, since it is larger than the sum of its proper divisors (2632620107).

13163100505 is an equidigital number, since it uses as much as digits as its factorization.

13163100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632620106.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13163100505 its reverse (50500136131), we get a palindrome (63663236636).

The spelling of 13163100505 in words is "thirteen billion, one hundred sixty-three million, one hundred thousand, five hundred five".