13425423411321 has 20 divisors (see below), whose sum is σ = 20095133490432. Its totient is φ = 8932488445368.

The previous prime is 13425423411307. The next prime is 13425423411331. The reversal of 13425423411321 is 12311432452431.

13425423411321 is a `hidden beast` number, since 1 + 3 + 42 + 54 + 234 + 11 + 321 = 666.

It is not a de Polignac number, because 13425423411321 - 2⁹ = 13425423410809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13425423411331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164716681 + ... + 164798166.

Almost surely, 2^{13425423411321} is an apocalyptic number.

It is an amenable number.

13425423411321 is a deficient number, since it is larger than the sum of its proper divisors (6669710079111).

13425423411321 is an equidigital number, since it uses as much as digits as its factorization.

13425423411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329515362 (or 329515353 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 13425423411321 its reverse (12311432452431), we get a palindrome (25736855863752).

The spelling of 13425423411321 in words is "thirteen trillion, four hundred twenty-five billion, four hundred twenty-three million, four hundred eleven thousand, three hundred twenty-one".