11215133 has 8 divisors (see below), whose sum is σ = 11457600. Its totient is φ = 10974528.

The previous prime is 11215129. The next prime is 11215177. The reversal of 11215133 is 33151211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11215133 - 2² = 11215129 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 (11215933) 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 7 ways as a sum of consecutive naturals, for example, 25328 + ... + 25766.

It is an arithmetic number, because the mean of its divisors is an integer number (1432200).

Almost surely, 2^11215133 is an apocalyptic number.

It is an amenable number.

11215133 is a deficient number, since it is larger than the sum of its proper divisors (242467).

11215133 is an equidigital number, since it uses as much as digits as its factorization.

11215133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 90, while the sum is 17.

The square root of 11215133 is about 3348.9002672519. The cubic root of 11215133 is about 223.8385116355.

Adding to 11215133 its reverse (33151211), we get a palindrome (44366344).

The spelling of 11215133 in words is "eleven million, two hundred fifteen thousand, one hundred thirty-three".