11164321 has 4 divisors (see below), whose sum is σ = 12759232. Its totient is φ = 9569412.

The previous prime is 11164313. The next prime is 11164327. The reversal of 11164321 is 12346111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11164321 - 2³ = 11164313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11164327) 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 3 ways as a sum of consecutive naturals, for example, 797445 + ... + 797458.

It is an arithmetic number, because the mean of its divisors is an integer number (3189808).

Almost surely, 2^11164321 is an apocalyptic number.

It is an amenable number.

11164321 is a deficient number, since it is larger than the sum of its proper divisors (1594911).

11164321 is an equidigital number, since it uses as much as digits as its factorization.

11164321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594910.

The product of its digits is 144, while the sum is 19.

The square root of 11164321 is about 3341.3052838674. The cubic root of 11164321 is about 223.4999541228.

The spelling of 11164321 in words is "eleven million, one hundred sixty-four thousand, three hundred twenty-one".