1311411063169 has 2 divisors, whose sum is σ = 1311411063170. Its totient is φ = 1311411063168.

The previous prime is 1311411063163. The next prime is 1311411063247. The reversal of 1311411063169 is 9613601141131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934679036944 + 376732026225 = 966788^2 + 613785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311411063169 - 2³¹ = 1309263579521 is a prime.

It is a super-2 number, since 2×1311411063169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1311411063163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655705531584 + 655705531585.

It is an arithmetic number, because the mean of its divisors is an integer number (655705531585).

Almost surely, 2^{1311411063169} is an apocalyptic number.

It is an amenable number.

1311411063169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311411063169 is an equidigital number, since it uses as much as digits as its factorization.

1311411063169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 1311411063169 in words is "one trillion, three hundred eleven billion, four hundred eleven million, sixty-three thousand, one hundred sixty-nine".