13005550344321 has 48 divisors (see below), whose sum is σ = 19038995349504. Its totient is φ = 8554351915872.

The previous prime is 13005550344301. The next prime is 13005550344359. The reversal of 13005550344321 is 12344305550031.

13005550344321 is a `hidden beast` number, since 1 + 30 + 0 + 5 + 550 + 3 + 44 + 32 + 1 = 666.

It is not a de Polignac number, because 13005550344321 - 2¹¹ = 13005550342273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13005550344301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229075680 + ... + 229132446.

It is an arithmetic number, because the mean of its divisors is an integer number (396645736448).

Almost surely, 2^{13005550344321} is an apocalyptic number.

It is an amenable number.

13005550344321 is a deficient number, since it is larger than the sum of its proper divisors (6033445005183).

13005550344321 is a wasteful number, since it uses less digits than its factorization.

13005550344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58010 (or 58007 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13005550344321 its reverse (12344305550031), we get a palindrome (25349855894352).

The spelling of 13005550344321 in words is "thirteen trillion, five billion, five hundred fifty million, three hundred forty-four thousand, three hundred twenty-one".