11271133 has 2 divisors, whose sum is σ = 11271134. Its totient is φ = 11271132.

The previous prime is 11271107. The next prime is 11271137. The reversal of 11271133 is 33117211.

11271133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8508889 + 2762244 = 2917^2 + 1662^2 .

It is an emirp because it is prime and its reverse (33117211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11271133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11271133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11271137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635566 + 5635567.

It is an arithmetic number, because the mean of its divisors is an integer number (5635567).

Almost surely, 2^11271133 is an apocalyptic number.

It is an amenable number.

11271133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271133 is an equidigital number, since it uses as much as digits as its factorization.

11271133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 19.

The square root of 11271133 is about 3357.2508098145. The cubic root of 11271133 is about 224.2104540497.

Adding to 11271133 its reverse (33117211), we get a palindrome (44388344).

The spelling of 11271133 in words is "eleven million, two hundred seventy-one thousand, one hundred thirty-three".