13013118016 has 14 divisors (see below), whose sum is σ = 25822906190. Its totient is φ = 6506558976.

The previous prime is 13013117981. The next prime is 13013118017. The reversal of 13013118016 is 61081131031.

It can be written as a sum of positive squares in only one way, i.e., 12883158016 + 129960000 = 113504^2 + 11400^2 .

It is not an unprimeable number, because it can be changed into a prime (13013118017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101664921 + ... + 101665048.

Almost surely, 2^13013118016 is an apocalyptic number.

13013118016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13013118016 is a deficient number, since it is larger than the sum of its proper divisors (12809788174).

13013118016 is an equidigital number, since it uses as much as digits as its factorization.

13013118016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203329981 (or 203329971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 13013118016 its reverse (61081131031), we get a palindrome (74094249047).

The spelling of 13013118016 in words is "thirteen billion, thirteen million, one hundred eighteen thousand, sixteen".