1123005575663 has 2 divisors, whose sum is σ = 1123005575664. Its totient is φ = 1123005575662.

The previous prime is 1123005575651. The next prime is 1123005575719. The reversal of 1123005575663 is 3665755003211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123005575663 - 2²⁰ = 1123004527087 is a prime.

It is a super-2 number, since 2×1123005575663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123005575603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561502787831 + 561502787832.

It is an arithmetic number, because the mean of its divisors is an integer number (561502787832).

Almost surely, 2^{1123005575663} is an apocalyptic number.

1123005575663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123005575663 is an equidigital number, since it uses as much as digits as its factorization.

1123005575663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 1123005575663 in words is "one trillion, one hundred twenty-three billion, five million, five hundred seventy-five thousand, six hundred sixty-three".