15336788491441 has 2 divisors, whose sum is σ = 15336788491442. Its totient is φ = 15336788491440.

The previous prime is 15336788491421. The next prime is 15336788491469. The reversal of 15336788491441 is 14419488763351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14579575259041 + 757213232400 = 3818321^2 + 870180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15336788491441 is a prime.

It is not a weakly prime, because it can be changed into another prime (15336788491421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7668394245720 + 7668394245721.

It is an arithmetic number, because the mean of its divisors is an integer number (7668394245721).

Almost surely, 2^{15336788491441} is an apocalyptic number.

It is an amenable number.

15336788491441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15336788491441 is an equidigital number, since it uses as much as digits as its factorization.

15336788491441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 64.

The spelling of 15336788491441 in words is "fifteen trillion, three hundred thirty-six billion, seven hundred eighty-eight million, four hundred ninety-one thousand, four hundred forty-one".