11280033 has 32 divisors (see below), whose sum is σ = 17404800. Its totient is φ = 7216128.

The previous prime is 11280011. The next prime is 11280041. The reversal of 11280033 is 33008211.

It is not a de Polignac number, because 11280033 - 2⁶ = 11279969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11279988 and 11280015.

It is not an unprimeable number, because it can be changed into a prime (11280133) 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 in 31 ways as a sum of consecutive naturals, for example, 116241 + ... + 116337.

It is an arithmetic number, because the mean of its divisors is an integer number (543900).

Almost surely, 2^11280033 is an apocalyptic number.

It is an amenable number.

11280033 is a deficient number, since it is larger than the sum of its proper divisors (6124767).

11280033 is an equidigital number, since it uses as much as digits as its factorization.

11280033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11280033 is about 3358.5760375492. The cubic root of 11280033 is about 224.2694527929.

Adding to 11280033 its reverse (33008211), we get a palindrome (44288244).

The spelling of 11280033 in words is "eleven million, two hundred eighty thousand, thirty-three".