11009789 has 8 divisors (see below), whose sum is σ = 12602880. Its totient is φ = 9421776.

The previous prime is 11009783. The next prime is 11009807. The reversal of 11009789 is 98790011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11009789 - 2⁸ = 11009533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6932 + ... + 8370.

It is an arithmetic number, because the mean of its divisors is an integer number (1575360).

Almost surely, 2^11009789 is an apocalyptic number.

It is an amenable number.

11009789 is a deficient number, since it is larger than the sum of its proper divisors (1593091).

11009789 is a wasteful number, since it uses less digits than its factorization.

11009789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 11009789 is about 3318.1002094572. The cubic root of 11009789 is about 222.4639608338.

The spelling of 11009789 in words is "eleven million, nine thousand, seven hundred eighty-nine".