1123311011013 has 10 divisors (see below), whose sum is σ = 1678032498054. Its totient is φ = 748874007288.

The previous prime is 1123311010973. The next prime is 1123311011023. The reversal of 1123311011013 is 3101101133211.

It can be written as a sum of positive squares in only one way, i.e., 957546402849 + 165764608164 = 978543^2 + 407142^2 .

It is not a de Polignac number, because 1123311011013 - 2³⁸ = 848433104069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123311011023) 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 9 ways as a sum of consecutive naturals, for example, 6934018506 + ... + 6934018667.

Almost surely, 2^{1123311011013} is an apocalyptic number.

It is an amenable number.

1123311011013 is a deficient number, since it is larger than the sum of its proper divisors (554721487041).

1123311011013 is an equidigital number, since it uses as much as digits as its factorization.

1123311011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868037185 (or 13868037176 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1123311011013 its reverse (3101101133211), we get a palindrome (4224412144224).

The spelling of 1123311011013 in words is "one trillion, one hundred twenty-three billion, three hundred eleven million, eleven thousand, thirteen".