13044533505 has 16 divisors (see below), whose sum is σ = 21969741120. Its totient is φ = 6590922048.

The previous prime is 13044533479. The next prime is 13044533533. The reversal of 13044533505 is 50533544031.

It is not a de Polignac number, because 13044533505 - 2⁶ = 13044533441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22884862 + ... + 22885431.

It is an arithmetic number, because the mean of its divisors is an integer number (1373108820).

Almost surely, 2^13044533505 is an apocalyptic number.

13044533505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13044533505 is a deficient number, since it is larger than the sum of its proper divisors (8925207615).

13044533505 is a wasteful number, since it uses less digits than its factorization.

13044533505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45770320.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 13044533505 in words is "thirteen billion, forty-four million, five hundred thirty-three thousand, five hundred five".