13055440451 has 4 divisors (see below), whose sum is σ = 13069494600. Its totient is φ = 13041386304.

The previous prime is 13055440351. The next prime is 13055440459. The reversal of 13055440451 is 15404455031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15404455031 = 7 ⋅2200636433.

It is a cyclic number.

It is not a de Polignac number, because 13055440451 - 2¹⁰ = 13055439427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13055440459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7025681 + ... + 7027538.

It is an arithmetic number, because the mean of its divisors is an integer number (3267373650).

Almost surely, 2^13055440451 is an apocalyptic number.

13055440451 is a deficient number, since it is larger than the sum of its proper divisors (14054149).

13055440451 is an equidigital number, since it uses as much as digits as its factorization.

13055440451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054148.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13055440451 its reverse (15404455031), we get a palindrome (28459895482).

The spelling of 13055440451 in words is "thirteen billion, fifty-five million, four hundred forty thousand, four hundred fifty-one".