11530133 has 2 divisors, whose sum is σ = 11530134. Its totient is φ = 11530132.

The previous prime is 11530121. The next prime is 11530157. The reversal of 11530133 is 33103511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 4169764 = 2713^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 11530133 - 2⁴ = 11530117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765066 + 5765067.

It is an arithmetic number, because the mean of its divisors is an integer number (5765067).

Almost surely, 2^11530133 is an apocalyptic number.

It is an amenable number.

11530133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530133 is an equidigital number, since it uses as much as digits as its factorization.

11530133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 11530133 is about 3395.6049534656. The cubic root of 11530133 is about 225.9148464011.

Adding to 11530133 its reverse (33103511), we get a palindrome (44633644).

The spelling of 11530133 in words is "eleven million, five hundred thirty thousand, one hundred thirty-three".