13318071205 has 16 divisors (see below), whose sum is σ = 16375590000. Its totient is φ = 10391984640.

The previous prime is 13318071139. The next prime is 13318071209. The reversal of 13318071205 is 50217081331.

13318071205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 54863649 + 13263207556 = 7407^2 + 115166^2 .

It is not a de Polignac number, because 13318071205 - 2²⁹ = 12781200293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318071209) 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 in 15 ways as a sum of consecutive naturals, for example, 1419871 + ... + 1429219.

It is an arithmetic number, because the mean of its divisors is an integer number (1023474375).

Almost surely, 2^13318071205 is an apocalyptic number.

It is an amenable number.

13318071205 is a deficient number, since it is larger than the sum of its proper divisors (3057518795).

13318071205 is an equidigital number, since it uses as much as digits as its factorization.

13318071205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16344.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 13318071205 in words is "thirteen billion, three hundred eighteen million, seventy-one thousand, two hundred five".