11111240133 has 24 divisors (see below), whose sum is σ = 18355790336. Its totient is φ = 6344632800.

The previous prime is 11111240117. The next prime is 11111240183. The reversal of 11111240133 is 33104211111.

It is a happy number.

It is not a de Polignac number, because 11111240133 - 2⁴ = 11111240117 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 (11111240113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23148 + ... + 150858.

Almost surely, 2^11111240133 is an apocalyptic number.

It is an amenable number.

11111240133 is a deficient number, since it is larger than the sum of its proper divisors (7244550203).

11111240133 is a wasteful number, since it uses less digits than its factorization.

11111240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129105 (or 129102 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11111240133 its reverse (33104211111), we get a palindrome (44215451244).

The spelling of 11111240133 in words is "eleven billion, one hundred eleven million, two hundred forty thousand, one hundred thirty-three".