11533005 has 48 divisors (see below), whose sum is σ = 22778496. Its totient is φ = 5343360.

The previous prime is 11533003. The next prime is 11533007. The reversal of 11533005 is 50033511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11533003) and next prime (11533007).

It is not a de Polignac number, because 11533005 - 2¹ = 11533003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10879 + ... + 11891.

It is an arithmetic number, because the mean of its divisors is an integer number (474552).

Almost surely, 2^11533005 is an apocalyptic number.

11533005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11533005 is a deficient number, since it is larger than the sum of its proper divisors (11245491).

11533005 is a wasteful number, since it uses less digits than its factorization.

11533005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 11533005 is about 3396.0278267411. The cubic root of 11533005 is about 225.9336022869.

Adding to 11533005 its reverse (50033511), we get a palindrome (61566516).

The spelling of 11533005 in words is "eleven million, five hundred thirty-three thousand, five".