13104042401421 has 12 divisors (see below), whose sum is σ = 20041476614172. Its totient is φ = 8222144251776.

The previous prime is 13104042401389. The next prime is 13104042401431. The reversal of 13104042401421 is 12410424040131.

13104042401421 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 404 + 240 + 14 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3886473159396 + 9217569242025 = 1971414^2 + 3036045^2 .

It is not a de Polignac number, because 13104042401421 - 2⁵ = 13104042401389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104042401431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42823667826 + ... + 42823668131.

It is an arithmetic number, because the mean of its divisors is an integer number (1670123051181).

Almost surely, 2^{13104042401421} is an apocalyptic number.

It is an amenable number.

13104042401421 is a deficient number, since it is larger than the sum of its proper divisors (6937434212751).

13104042401421 is a wasteful number, since it uses less digits than its factorization.

13104042401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85647335980 (or 85647335977 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 13104042401421 its reverse (12410424040131), we get a palindrome (25514466441552).

The spelling of 13104042401421 in words is "thirteen trillion, one hundred four billion, forty-two million, four hundred one thousand, four hundred twenty-one".