11011121433 has 24 divisors (see below), whose sum is σ = 18029910080. Its totient is φ = 6419437920.

The previous prime is 11011121419. The next prime is 11011121437. The reversal of 11011121433 is 33412111011.

It is a happy number.

11011121433 is a `hidden beast` number, since 110 + 1 + 1 + 121 + 433 = 666.

It is not a de Polignac number, because 11011121433 - 2⁶ = 11011121369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011121437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2474413 + ... + 2478858.

Almost surely, 2^11011121433 is an apocalyptic number.

11011121433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11011121433 is a deficient number, since it is larger than the sum of its proper divisors (7018788647).

11011121433 is a wasteful number, since it uses less digits than its factorization.

11011121433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953309 (or 4953306 counting only the distinct ones).

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

Adding to 11011121433 its reverse (33412111011), we get a palindrome (44423232444).

The spelling of 11011121433 in words is "eleven billion, eleven million, one hundred twenty-one thousand, four hundred thirty-three".