13113144245 has 4 divisors (see below), whose sum is σ = 15735773100. Its totient is φ = 10490515392.

The previous prime is 13113144173. The next prime is 13113144269. The reversal of 13113144245 is 54244131131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8402655556 + 4710488689 = 91666^2 + 68633^2 .

It is a cyclic number.

It is not a de Polignac number, because 13113144245 - 2¹⁴ = 13113127861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311314420 + ... + 1311314429.

It is an arithmetic number, because the mean of its divisors is an integer number (3933943275).

Almost surely, 2^13113144245 is an apocalyptic number.

It is an amenable number.

13113144245 is a deficient number, since it is larger than the sum of its proper divisors (2622628855).

13113144245 is an equidigital number, since it uses as much as digits as its factorization.

13113144245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622628854.

The product of its digits is 5760, while the sum is 29.

Adding to 13113144245 its reverse (54244131131), we get a palindrome (67357275376).

The spelling of 13113144245 in words is "thirteen billion, one hundred thirteen million, one hundred forty-four thousand, two hundred forty-five".