13045504434251 has 16 divisors (see below), whose sum is σ = 13463486530560. Its totient is φ = 12634031155200.

The previous prime is 13045504434211. The next prime is 13045504434283. The reversal of 13045504434251 is 15243440554031.

It is a cyclic number.

It is not a de Polignac number, because 13045504434251 - 2²⁶ = 13045437325387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13045504434199 and 13045504434208.

It is not an unprimeable number, because it can be changed into a prime (13045504434211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752281 + ... + 5400138.

It is an arithmetic number, because the mean of its divisors is an integer number (841467908160).

Almost surely, 2^{13045504434251} is an apocalyptic number.

13045504434251 is a deficient number, since it is larger than the sum of its proper divisors (417982096309).

13045504434251 is a wasteful number, since it uses less digits than its factorization.

13045504434251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152874.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13045504434251 its reverse (15243440554031), we get a palindrome (28288944988282).

The spelling of 13045504434251 in words is "thirteen trillion, forty-five billion, five hundred four million, four hundred thirty-four thousand, two hundred fifty-one".