13321044055 has 8 divisors (see below), whose sum is σ = 17438457744. Its totient is φ = 9688032000.

The previous prime is 13321044053. The next prime is 13321044071. The reversal of 13321044055 is 55044012331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321044055 - 2¹ = 13321044053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321044053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121100346 + ... + 121100455.

It is an arithmetic number, because the mean of its divisors is an integer number (2179807218).

Almost surely, 2^13321044055 is an apocalyptic number.

13321044055 is a deficient number, since it is larger than the sum of its proper divisors (4117413689).

13321044055 is a wasteful number, since it uses less digits than its factorization.

13321044055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242200817.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13321044055 its reverse (55044012331), we get a palindrome (68365056386).

The spelling of 13321044055 in words is "thirteen billion, three hundred twenty-one million, forty-four thousand, fifty-five".