1316035564321 has 2 divisors, whose sum is σ = 1316035564322. Its totient is φ = 1316035564320.

The previous prime is 1316035564307. The next prime is 1316035564411. The reversal of 1316035564321 is 1234655306131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971730663696 + 344304900625 = 985764^2 + 586775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316035564321 - 2³³ = 1307445629729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316035504321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658017782160 + 658017782161.

It is an arithmetic number, because the mean of its divisors is an integer number (658017782161).

Almost surely, 2^{1316035564321} is an apocalyptic number.

It is an amenable number.

1316035564321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316035564321 is an equidigital number, since it uses as much as digits as its factorization.

1316035564321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 1316035564321 in words is "one trillion, three hundred sixteen billion, thirty-five million, five hundred sixty-four thousand, three hundred twenty-one".