11109966 has 96 divisors (see below), whose sum is σ = 28366848. Its totient is φ = 2882880.

The previous prime is 11109949. The next prime is 11109977. The reversal of 11109966 is 66990111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 209596 + ... + 209648.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

Almost surely, 2^11109966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11109966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14183424).

11109966 is an abundant number, since it is smaller than the sum of its proper divisors (17256882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11109966 is a wasteful number, since it uses less digits than its factorization.

11109966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11109966 is about 3333.1615622409. The cubic root of 11109966 is about 223.1366506796.

The spelling of 11109966 in words is "eleven million, one hundred nine thousand, nine hundred sixty-six".