13522143451 has 4 divisors (see below), whose sum is σ = 14317563672. Its totient is φ = 12726723232.

The previous prime is 13522143443. The next prime is 13522143521. The reversal of 13522143451 is 15434122531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15434122531 = 44207 ⋅349133.

It is a cyclic number.

It is not a de Polignac number, because 13522143451 - 2³ = 13522143443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13522149451) 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, 397710085 + ... + 397710118.

It is an arithmetic number, because the mean of its divisors is an integer number (3579390918).

Almost surely, 2^13522143451 is an apocalyptic number.

13522143451 is a deficient number, since it is larger than the sum of its proper divisors (795420221).

13522143451 is an equidigital number, since it uses as much as digits as its factorization.

13522143451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795420220.

The product of its digits is 14400, while the sum is 31.

Adding to 13522143451 its reverse (15434122531), we get a palindrome (28956265982).

The spelling of 13522143451 in words is "thirteen billion, five hundred twenty-two million, one hundred forty-three thousand, four hundred fifty-one".