1131011123013 has 12 divisors (see below), whose sum is σ = 1634557788448. Its totient is φ = 753603543720.

The previous prime is 1131011122999. The next prime is 1131011123057. The reversal of 1131011123013 is 3103211101311.

1131011123013 is a `hidden beast` number, since 1 + 1 + 310 + 111 + 230 + 13 = 666.

It is not a de Polignac number, because 1131011123013 - 2⁵ = 1131011122981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131011123063) 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 11 ways as a sum of consecutive naturals, for example, 33638233 + ... + 33671838.

Almost surely, 2^{1131011123013} is an apocalyptic number.

It is an amenable number.

1131011123013 is a deficient number, since it is larger than the sum of its proper divisors (503546665435).

1131011123013 is a wasteful number, since it uses less digits than its factorization.

1131011123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67311944 (or 67311941 counting only the distinct ones).

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

Adding to 1131011123013 its reverse (3103211101311), we get a palindrome (4234222224324).

The spelling of 1131011123013 in words is "one trillion, one hundred thirty-one billion, eleven million, one hundred twenty-three thousand, thirteen".