13112144104 has 16 divisors (see below), whose sum is σ = 24642055620. Its totient is φ = 6540929280.

The previous prime is 13112144099. The next prime is 13112144107. The reversal of 13112144104 is 40144121131.

It can be written as a sum of positive squares in 2 ways, for example, as 13064947204 + 47196900 = 114302^2 + 6870^2 .

It is not an unprimeable number, because it can be changed into a prime (13112144107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889167 + ... + 1896094.

Almost surely, 2^13112144104 is an apocalyptic number.

It is an amenable number.

13112144104 is a deficient number, since it is larger than the sum of its proper divisors (11529911516).

13112144104 is a wasteful number, since it uses less digits than its factorization.

13112144104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785700 (or 3785696 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 13112144104 its reverse (40144121131), we get a palindrome (53256265235).

The spelling of 13112144104 in words is "thirteen billion, one hundred twelve million, one hundred forty-four thousand, one hundred four".