11331663 has 32 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 5972736.

The previous prime is 11331659. The next prime is 11331667. The reversal of 11331663 is 36613311.

It is an interprime number because it is at equal distance from previous prime (11331659) and next prime (11331667).

It is not a de Polignac number, because 11331663 - 2² = 11331659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13603 + ... + 14411.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^11331663 is an apocalyptic number.

11331663 is a deficient number, since it is larger than the sum of its proper divisors (7330737).

11331663 is a wasteful number, since it uses less digits than its factorization.

11331663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its digits is 972, while the sum is 24.

The square root of 11331663 is about 3366.2535555124. The cubic root of 11331663 is about 224.6111010383.

Adding to 11331663 its reverse (36613311), we get a palindrome (47944974).

The spelling of 11331663 in words is "eleven million, three hundred thirty-one thousand, six hundred sixty-three".