1143109811269 has 2 divisors, whose sum is σ = 1143109811270. Its totient is φ = 1143109811268.

The previous prime is 1143109811177. The next prime is 1143109811273. The reversal of 1143109811269 is 9621189013411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817011708769 + 326098102500 = 903887^2 + 571050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143109811269 - 2⁹ = 1143109810757 is a prime.

It is a super-3 number, since 3×1143109811269³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143109811279) 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, 571554905634 + 571554905635.

It is an arithmetic number, because the mean of its divisors is an integer number (571554905635).

Almost surely, 2^{1143109811269} is an apocalyptic number.

It is an amenable number.

1143109811269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143109811269 is an equidigital number, since it uses as much as digits as its factorization.

1143109811269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 1143109811269 in words is "one trillion, one hundred forty-three billion, one hundred nine million, eight hundred eleven thousand, two hundred sixty-nine".