11104118831 has 4 divisors (see below), whose sum is σ = 11958281832. Its totient is φ = 10249955832.

The previous prime is 11104118819. The next prime is 11104118867. The reversal of 11104118831 is 13881140111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13881140111 = 36277 ⋅382643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11104118831 is a prime.

It is a super-2 number, since 2×11104118831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11104118794 and 11104118803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11104118801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427081481 + ... + 427081506.

It is an arithmetic number, because the mean of its divisors is an integer number (2989570458).

Almost surely, 2^11104118831 is an apocalyptic number.

11104118831 is a deficient number, since it is larger than the sum of its proper divisors (854163001).

11104118831 is an equidigital number, since it uses as much as digits as its factorization.

11104118831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854163000.

The product of its (nonzero) digits is 768, while the sum is 29.

Adding to 11104118831 its reverse (13881140111), we get a palindrome (24985258942).

The spelling of 11104118831 in words is "eleven billion, one hundred four million, one hundred eighteen thousand, eight hundred thirty-one".