159411412738321 has 2 divisors, whose sum is σ = 159411412738322. Its totient is φ = 159411412738320.

The previous prime is 159411412738313. The next prime is 159411412738339. The reversal of 159411412738321 is 123837214114951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154155466756096 + 5255945982225 = 12415936^2 + 2292585^2 .

It is a cyclic number.

It is not a de Polignac number, because 159411412738321 - 2³ = 159411412738313 is a prime.

It is a super-2 number, since 2×159411412738321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159415412738321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79705706369160 + 79705706369161.

It is an arithmetic number, because the mean of its divisors is an integer number (79705706369161).

Almost surely, 2^{159411412738321} is an apocalyptic number.

It is an amenable number.

159411412738321 is a deficient number, since it is larger than the sum of its proper divisors (1).

159411412738321 is an equidigital number, since it uses as much as digits as its factorization.

159411412738321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 159411412738321 in words is "one hundred fifty-nine trillion, four hundred eleven billion, four hundred twelve million, seven hundred thirty-eight thousand, three hundred twenty-one".