11133481 has 2 divisors, whose sum is σ = 11133482. Its totient is φ = 11133480.

The previous prime is 11133467. The next prime is 11133539. The reversal of 11133481 is 18433111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6205081 + 4928400 = 2491^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133481 - 2²¹ = 9036329 is a prime.

It is a super-2 number, since 2×11133481² = 247908798354722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11133281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566740 + 5566741.

It is an arithmetic number, because the mean of its divisors is an integer number (5566741).

Almost surely, 2^11133481 is an apocalyptic number.

It is an amenable number.

11133481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133481 is an equidigital number, since it uses as much as digits as its factorization.

11133481 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11133481 is about 3336.6871294744. The cubic root of 11133481 is about 223.2939677158.

Adding to 11133481 its reverse (18433111), we get a palindrome (29566592).

The spelling of 11133481 in words is "eleven million, one hundred thirty-three thousand, four hundred eighty-one".