11011385 has 32 divisors (see below), whose sum is σ = 16941312. Its totient is φ = 6670080.

The previous prime is 11011381. The next prime is 11011409. The reversal of 11011385 is 58311011.

It is not a de Polignac number, because 11011385 - 2² = 11011381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13859 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (529416).

Almost surely, 2^11011385 is an apocalyptic number.

It is an amenable number.

11011385 is a deficient number, since it is larger than the sum of its proper divisors (5929927).

11011385 is a wasteful number, since it uses less digits than its factorization.

11011385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 11011385 is about 3318.3406998077. The cubic root of 11011385 is about 222.4747099143.

Adding to 11011385 its reverse (58311011), we get a palindrome (69322396).

The spelling of 11011385 in words is "eleven million, eleven thousand, three hundred eighty-five".