13105044556 has 12 divisors (see below), whose sum is σ = 23309792800. Its totient is φ = 6445103760.

The previous prime is 13105044551. The next prime is 13105044571. The reversal of 13105044556 is 65544050131.

It is not an unprimeable number, because it can be changed into a prime (13105044551) 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, 26854356 + ... + 26854843.

Almost surely, 2^13105044556 is an apocalyptic number.

It is an amenable number.

13105044556 is a deficient number, since it is larger than the sum of its proper divisors (10204748244).

13105044556 is a wasteful number, since it uses less digits than its factorization.

13105044556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53709264 (or 53709262 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 13105044556 its reverse (65544050131), we get a palindrome (78649094687).

The spelling of 13105044556 in words is "thirteen billion, one hundred five million, forty-four thousand, five hundred fifty-six".