13330145504321 has 8 divisors (see below), whose sum is σ = 13359988017384. Its totient is φ = 13300329651840.

The previous prime is 13330145504317. The next prime is 13330145504323. The reversal of 13330145504321 is 12340554103331.

It can be written as a sum of positive squares in 4 ways, for example, as 967439452225 + 12362706052096 = 983585^2 + 3516064^2 .

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 13330145504321 - 2² = 13330145504317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13330145504323) 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, 5663870 + ... + 7664183.

It is an arithmetic number, because the mean of its divisors is an integer number (1669998502173).

Almost surely, 2^{13330145504321} is an apocalyptic number.

It is an amenable number.

13330145504321 is a deficient number, since it is larger than the sum of its proper divisors (29842513063).

13330145504321 is a wasteful number, since it uses less digits than its factorization.

13330145504321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330291.

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

Adding to 13330145504321 its reverse (12340554103331), we get a palindrome (25670699607652).

The spelling of 13330145504321 in words is "thirteen trillion, three hundred thirty billion, one hundred forty-five million, five hundred four thousand, three hundred twenty-one".