11189656 has 8 divisors (see below), whose sum is σ = 20980620. Its totient is φ = 5594824.

The previous prime is 11189653. The next prime is 11189669. The reversal of 11189656 is 65698111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189653) 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 as a sum of consecutive naturals, namely, 699346 + ... + 699361.

Almost surely, 2^11189656 is an apocalyptic number.

It is an amenable number.

11189656 is a deficient number, since it is larger than the sum of its proper divisors (9790964).

11189656 is a wasteful number, since it uses less digits than its factorization.

11189656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398713 (or 1398709 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 11189656 is about 3345.0943185507. The cubic root of 11189656 is about 223.6688879241.

The spelling of 11189656 in words is "eleven million, one hundred eighty-nine thousand, six hundred fifty-six".