1123313111113 has 4 divisors (see below), whose sum is σ = 1123468122240. Its totient is φ = 1123158099988.

The previous prime is 1123313111099. The next prime is 1123313111117. The reversal of 1123313111113 is 3111113133211.

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 a cyclic number.

It is not a de Polignac number, because 1123313111113 - 2²⁵ = 1123279556681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123313111117) 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, 77494693 + ... + 77509186.

It is an arithmetic number, because the mean of its divisors is an integer number (280867030560).

Almost surely, 2^{1123313111113} is an apocalyptic number.

It is an amenable number.

1123313111113 is a deficient number, since it is larger than the sum of its proper divisors (155011127).

1123313111113 is an equidigital number, since it uses as much as digits as its factorization.

1123313111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155011126.

The product of its digits is 162, while the sum is 22.

Adding to 1123313111113 its reverse (3111113133211), we get a palindrome (4234426244324).

The spelling of 1123313111113 in words is "one trillion, one hundred twenty-three billion, three hundred thirteen million, one hundred eleven thousand, one hundred thirteen".