11211164 has 12 divisors (see below), whose sum is σ = 19695984. Its totient is φ = 5583744.

The previous prime is 11211133. The next prime is 11211169. The reversal of 11211164 is 46111211.

11211164 = 61² + 62² + ... + 323².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211169) 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, 4277 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (1641332).

Almost surely, 2^11211164 is an apocalyptic number.

It is an amenable number.

11211164 is a deficient number, since it is larger than the sum of its proper divisors (8484820).

11211164 is a wasteful number, since it uses less digits than its factorization.

11211164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924 (or 10922 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 11211164 is about 3348.3076322226. The cubic root of 11211164 is about 223.8121032735.

Adding to 11211164 its reverse (46111211), we get a palindrome (57322375).

The spelling of 11211164 in words is "eleven million, two hundred eleven thousand, one hundred sixty-four".