11163321 has 12 divisors (see below), whose sum is σ = 17365348. Its totient is φ = 6869664.

The previous prime is 11163319. The next prime is 11163323. The reversal of 11163321 is 12336111.

11163321 is a `hidden beast` number, since 1 + 11 + 633 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (11163319) and next prime (11163323).

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 9217296 = 1395^2 + 3036^2 .

It is not a de Polignac number, because 11163321 - 2¹ = 11163319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11163294 and 11163303.

It is not an unprimeable number, because it can be changed into a prime (11163323) 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 11 ways as a sum of consecutive naturals, for example, 47590 + ... + 47823.

Almost surely, 2^11163321 is an apocalyptic number.

It is an amenable number.

11163321 is a deficient number, since it is larger than the sum of its proper divisors (6202027).

11163321 is a wasteful number, since it uses less digits than its factorization.

11163321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95432 (or 95429 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11163321 is about 3341.1556383982. The cubic root of 11163321 is about 223.4932808814.

Adding to 11163321 its reverse (12336111), we get a palindrome (23499432).

The spelling of 11163321 in words is "eleven million, one hundred sixty-three thousand, three hundred twenty-one".