11187133 has 2 divisors, whose sum is σ = 11187134. Its totient is φ = 11187132.

The previous prime is 11187119. The next prime is 11187149. The reversal of 11187133 is 33178111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 708964 = 3237^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 11187133 - 2⁵ = 11187101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11187098 and 11187107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11181133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593566 + 5593567.

It is an arithmetic number, because the mean of its divisors is an integer number (5593567).

Almost surely, 2^11187133 is an apocalyptic number.

It is an amenable number.

11187133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187133 is an equidigital number, since it uses as much as digits as its factorization.

11187133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 11187133 is about 3344.7171778792. The cubic root of 11187133 is about 223.6520759976.

The spelling of 11187133 in words is "eleven million, one hundred eighty-seven thousand, one hundred thirty-three".