11371133 has 4 divisors (see below), whose sum is σ = 11613120. Its totient is φ = 11129148.

The previous prime is 11371123. The next prime is 11371153. The reversal of 11371133 is 33117311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33117311 = 71 ⋅466441.

It is a cyclic number.

It is not a de Polignac number, because 11371133 - 2¹⁰ = 11370109 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 (11371123) 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 3 ways as a sum of consecutive naturals, for example, 120923 + ... + 121016.

It is an arithmetic number, because the mean of its divisors is an integer number (2903280).

Almost surely, 2^11371133 is an apocalyptic number.

It is an amenable number.

11371133 is a deficient number, since it is larger than the sum of its proper divisors (241987).

11371133 is an equidigital number, since it uses as much as digits as its factorization.

11371133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241986.

The product of its digits is 189, while the sum is 20.

The square root of 11371133 is about 3372.1110598555. Note that the first 3 decimals coincide. The cubic root of 11371133 is about 224.8715843356.

Adding to 11371133 its reverse (33117311), we get a palindrome (44488444).

The spelling of 11371133 in words is "eleven million, three hundred seventy-one thousand, one hundred thirty-three".