13504403315321 has 8 divisors (see below), whose sum is σ = 13556824654464. Its totient is φ = 13452001017840.

The previous prime is 13504403315257. The next prime is 13504403315339. The reversal of 13504403315321 is 12351330440531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13504403315321 - 2⁶ = 13504403315257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13504403215321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3338435 + ... + 6176888.

It is an arithmetic number, because the mean of its divisors is an integer number (1694603081808).

Almost surely, 2^{13504403315321} is an apocalyptic number.

It is an amenable number.

13504403315321 is a deficient number, since it is larger than the sum of its proper divisors (52421339143).

13504403315321 is an equidigital number, since it uses as much as digits as its factorization.

13504403315321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520831.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 13504403315321 its reverse (12351330440531), we get a palindrome (25855733755852).

The spelling of 13504403315321 in words is "thirteen trillion, five hundred four billion, four hundred three million, three hundred fifteen thousand, three hundred twenty-one".