11216109 has 8 divisors (see below), whose sum is σ = 15041952. Its totient is φ = 7433840.

The previous prime is 11216087. The next prime is 11216113. The reversal of 11216109 is 90161211.

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 11216109 - 2¹¹ = 11214061 is a prime.

It is a super-2 number, since 2×11216109² = 251602202199762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216119) 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 7 ways as a sum of consecutive naturals, for example, 10287 + ... + 11324.

It is an arithmetic number, because the mean of its divisors is an integer number (1880244).

Almost surely, 2^11216109 is an apocalyptic number.

It is an amenable number.

11216109 is a deficient number, since it is larger than the sum of its proper divisors (3825843).

11216109 is a wasteful number, since it uses less digits than its factorization.

11216109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21787.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11216109 is about 3349.0459835601. The cubic root of 11216109 is about 223.8450046496.

It can be divided in two parts, 11216 and 109, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 11216109 in words is "eleven million, two hundred sixteen thousand, one hundred nine".