11189144 has 16 divisors (see below), whose sum is σ = 21197400. Its totient is φ = 5536512.

The previous prime is 11189131. The next prime is 11189183. The reversal of 11189144 is 44198111.

11189144 = T₄₃₁ + T₄₃₂ + ... + T₅₂₇.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6434 + ... + 7985.

Almost surely, 2^11189144 is an apocalyptic number.

It is an amenable number.

11189144 is a deficient number, since it is larger than the sum of its proper divisors (10008256).

11189144 is a wasteful number, since it uses less digits than its factorization.

11189144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14522 (or 14518 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

The square root of 11189144 is about 3345.0177876956. The cubic root of 11189144 is about 223.6654764336.

The spelling of 11189144 in words is "eleven million, one hundred eighty-nine thousand, one hundred forty-four".