13520342425451 has 2 divisors, whose sum is σ = 13520342425452. Its totient is φ = 13520342425450.

The previous prime is 13520342425411. The next prime is 13520342425487. The reversal of 13520342425451 is 15452424302531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13520342425451 - 2³⁴ = 13503162556267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13520342425399 and 13520342425408.

It is not a weakly prime, because it can be changed into another prime (13520342425411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760171212725 + 6760171212726.

It is an arithmetic number, because the mean of its divisors is an integer number (6760171212726).

Almost surely, 2^{13520342425451} is an apocalyptic number.

13520342425451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520342425451 is an equidigital number, since it uses as much as digits as its factorization.

13520342425451 is an evil number, because the sum of its binary digits is even.

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

Adding to 13520342425451 its reverse (15452424302531), we get a palindrome (28972766727982).

The spelling of 13520342425451 in words is "thirteen trillion, five hundred twenty billion, three hundred forty-two million, four hundred twenty-five thousand, four hundred fifty-one".