11431123113 has 16 divisors (see below), whose sum is σ = 15397079040. Its totient is φ = 7543341456.

The previous prime is 11431123097. The next prime is 11431123127. The reversal of 11431123113 is 31132113411.

It is not a de Polignac number, because 11431123113 - 2⁴ = 11431123097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11431123113.

It is not an unprimeable number, because it can be changed into a prime (11431123183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72006 + ... + 167472.

It is an arithmetic number, because the mean of its divisors is an integer number (962317440).

Almost surely, 2^11431123113 is an apocalyptic number.

It is an amenable number.

11431123113 is a deficient number, since it is larger than the sum of its proper divisors (3965955927).

11431123113 is a wasteful number, since it uses less digits than its factorization.

11431123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95876.

The product of its digits is 216, while the sum is 21.

Adding to 11431123113 its reverse (31132113411), we get a palindrome (42563236524).

The spelling of 11431123113 in words is "eleven billion, four hundred thirty-one million, one hundred twenty-three thousand, one hundred thirteen".