11001243033 has 12 divisors (see below), whose sum is σ = 17335292208. Its totient is φ = 6667419960.

The previous prime is 11001242969. The next prime is 11001243049. The reversal of 11001243033 is 33034210011.

It is not a de Polignac number, because 11001243033 - 2⁶ = 11001242969 is a prime.

It is a super-2 number, since 2×11001243033² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001242997 and 11001243015.

It is not an unprimeable number, because it can be changed into a prime (11001243833) 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, 55561735 + ... + 55561932.

It is an arithmetic number, because the mean of its divisors is an integer number (1444607684).

Almost surely, 2^11001243033 is an apocalyptic number.

It is an amenable number.

11001243033 is a deficient number, since it is larger than the sum of its proper divisors (6334049175).

11001243033 is a wasteful number, since it uses less digits than its factorization.

11001243033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111123684 (or 111123681 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11001243033 its reverse (33034210011), we get a palindrome (44035453044).

The spelling of 11001243033 in words is "eleven billion, one million, two hundred forty-three thousand, thirty-three".