11481133 has 4 divisors (see below), whose sum is σ = 11501280. Its totient is φ = 11460988.

The previous prime is 11481131. The next prime is 11481157. The reversal of 11481133 is 33118411.

11481133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11481133 - 2¹ = 11481131 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 (11481131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9193 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (2875320).

Almost surely, 2^11481133 is an apocalyptic number.

It is an amenable number.

11481133 is a deficient number, since it is larger than the sum of its proper divisors (20147).

11481133 is an equidigital number, since it uses as much as digits as its factorization.

11481133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20146.

The product of its digits is 288, while the sum is 22.

The square root of 11481133 is about 3388.3820622828. The cubic root of 11481133 is about 225.5943659731.

Adding to 11481133 its reverse (33118411), we get a palindrome (44599544).

The spelling of 11481133 in words is "eleven million, four hundred eighty-one thousand, one hundred thirty-three".