13105434503044 has 24 divisors (see below), whose sum is σ = 24700792977728. Its totient is φ = 6048150366240.

The previous prime is 13105434503027. The next prime is 13105434503113. The reversal of 13105434503044 is 44030543450131.

13105434503044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13105434503044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13105434502994 and 13105434503012.

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, 10039752 + ... + 11269759.

Almost surely, 2^{13105434503044} is an apocalyptic number.

It is an amenable number.

13105434503044 is a deficient number, since it is larger than the sum of its proper divisors (11595358474684).

13105434503044 is a wasteful number, since it uses less digits than its factorization.

13105434503044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21321355 (or 21321353 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13105434503044 its reverse (44030543450131), we get a palindrome (57135977953175).

The spelling of 13105434503044 in words is "thirteen trillion, one hundred five billion, four hundred thirty-four million, five hundred three thousand, forty-four".