1123005575617 has 4 divisors (see below), whose sum is σ = 1131084752560. Its totient is φ = 1114926398676.

The previous prime is 1123005575611. The next prime is 1123005575623. The reversal of 1123005575617 is 7165755003211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1123005575611) and next prime (1123005575623).

It is a cyclic number.

It is not a de Polignac number, because 1123005575617 - 2²⁷ = 1122871357889 is a prime.

It is a super-2 number, since 2×1123005575617² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123005575611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039588263 + ... + 4039588540.

It is an arithmetic number, because the mean of its divisors is an integer number (282771188140).

Almost surely, 2^{1123005575617} is an apocalyptic number.

It is an amenable number.

1123005575617 is a deficient number, since it is larger than the sum of its proper divisors (8079176943).

1123005575617 is an equidigital number, since it uses as much as digits as its factorization.

1123005575617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079176942.

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 1123005575617 in words is "one trillion, one hundred twenty-three billion, five million, five hundred seventy-five thousand, six hundred seventeen".