11065989 has 16 divisors (see below), whose sum is σ = 16326144. Its totient is φ = 6610800.

The previous prime is 11065987. The next prime is 11065991. The reversal of 11065989 is 98956011.

11065989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11065987) and next prime (11065991).

It is not a de Polignac number, because 11065989 - 2¹ = 11065987 is a prime.

It is a super-2 number, since 2×11065989² = 244912225096242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19 + ... + 4704.

It is an arithmetic number, because the mean of its divisors is an integer number (1020384).

Almost surely, 2^11065989 is an apocalyptic number.

It is an amenable number.

11065989 is a deficient number, since it is larger than the sum of its proper divisors (5260155).

11065989 is a wasteful number, since it uses less digits than its factorization.

11065989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 11065989 is about 3326.5581311620. The cubic root of 11065989 is about 222.8418445989.

The spelling of 11065989 in words is "eleven million, sixty-five thousand, nine hundred eighty-nine".