11131234033 has 12 divisors (see below), whose sum is σ = 11418920604. Its totient is φ = 10850633600.

The previous prime is 11131234003. The next prime is 11131234043. The reversal of 11131234033 is 33043213111.

It can be written as a sum of positive squares in 6 ways, for example, as 1394873104 + 9736360929 = 37348^2 + 98673^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11131234033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131233995 and 11131234013.

It is not an unprimeable number, because it can be changed into a prime (11131234003) 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 11 ways as a sum of consecutive naturals, for example, 2911263 + ... + 2915083.

It is an arithmetic number, because the mean of its divisors is an integer number (951576717).

Almost surely, 2^11131234033 is an apocalyptic number.

It is an amenable number.

11131234033 is a deficient number, since it is larger than the sum of its proper divisors (287686571).

11131234033 is an equidigital number, since it uses as much as digits as its factorization.

11131234033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636 (or 5595 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11131234033 its reverse (33043213111), we get a palindrome (44174447144).

The spelling of 11131234033 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-four thousand, thirty-three".