1143566311313 has 2 divisors, whose sum is σ = 1143566311314. Its totient is φ = 1143566311312.

The previous prime is 1143566311243. The next prime is 1143566311357. The reversal of 1143566311313 is 3131136653411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652826832529 + 490739478784 = 807977^2 + 700528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143566311313 - 2¹⁴ = 1143566294929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143566371313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571783155656 + 571783155657.

It is an arithmetic number, because the mean of its divisors is an integer number (571783155657).

Almost surely, 2^{1143566311313} is an apocalyptic number.

It is an amenable number.

1143566311313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143566311313 is an equidigital number, since it uses as much as digits as its factorization.

1143566311313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The spelling of 1143566311313 in words is "one trillion, one hundred forty-three billion, five hundred sixty-six million, three hundred eleven thousand, three hundred thirteen".