13133110044 has 24 divisors (see below), whose sum is σ = 30678496128. Its totient is φ = 4372764400.

The previous prime is 13133110013. The next prime is 13133110073. The reversal of 13133110044 is 44001133131.

It is a self number, because there is not a number n which added to its sum of digits gives 13133110044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606282 + ... + 627569.

It is an arithmetic number, because the mean of its divisors is an integer number (1278270672).

Almost surely, 2^13133110044 is an apocalyptic number.

It is an amenable number.

13133110044 is an abundant number, since it is smaller than the sum of its proper divisors (17545386084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13133110044 is a wasteful number, since it uses less digits than its factorization.

13133110044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234745 (or 1234743 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13133110044 its reverse (44001133131), we get a palindrome (57134243175).

The spelling of 13133110044 in words is "thirteen billion, one hundred thirty-three million, one hundred ten thousand, forty-four".