11120031133 has 4 divisors (see below), whose sum is σ = 11121099388. Its totient is φ = 11118962880.

The previous prime is 11120031119. The next prime is 11120031137. The reversal of 11120031133 is 33113002111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 414611044 + 10705420089 = 20362^2 + 103467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120031133 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 (11120031137) 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, 518358 + ... + 539383.

It is an arithmetic number, because the mean of its divisors is an integer number (2780274847).

Almost surely, 2^11120031133 is an apocalyptic number.

It is an amenable number.

11120031133 is a deficient number, since it is larger than the sum of its proper divisors (1068255).

11120031133 is a wasteful number, since it uses less digits than its factorization.

11120031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068254.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11120031133 its reverse (33113002111), we get a palindrome (44233033244).

The spelling of 11120031133 in words is "eleven billion, one hundred twenty million, thirty-one thousand, one hundred thirty-three".