1123144466669 has 2 divisors, whose sum is σ = 1123144466670. Its totient is φ = 1123144466668.

The previous prime is 1123144466621. The next prime is 1123144466681. The reversal of 1123144466669 is 9666644413211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1014326951044 + 108817515625 = 1007138^2 + 329875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123144466669 is a prime.

It is a super-2 number, since 2×1123144466669² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123144466669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123144466069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561572233334 + 561572233335.

It is an arithmetic number, because the mean of its divisors is an integer number (561572233335).

Almost surely, 2^{1123144466669} is an apocalyptic number.

It is an amenable number.

1123144466669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123144466669 is an equidigital number, since it uses as much as digits as its factorization.

1123144466669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 53.

The spelling of 1123144466669 in words is "one trillion, one hundred twenty-three billion, one hundred forty-four million, four hundred sixty-six thousand, six hundred sixty-nine".