11075909 has 8 divisors (see below), whose sum is σ = 11954040. Its totient is φ = 10201536.

The previous prime is 11075881. The next prime is 11075923. The reversal of 11075909 is 90957011.

It can be written as a sum of positive squares in 4 ways, for example, as 330625 + 10745284 = 575^2 + 3278^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11075909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9827 + ... + 10895.

It is an arithmetic number, because the mean of its divisors is an integer number (1494255).

Almost surely, 2^11075909 is an apocalyptic number.

It is an amenable number.

11075909 is a deficient number, since it is larger than the sum of its proper divisors (878131).

11075909 is a wasteful number, since it uses less digits than its factorization.

11075909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 11075909 is about 3328.0488277668. The cubic root of 11075909 is about 222.9084128581.

The spelling of 11075909 in words is "eleven million, seventy-five thousand, nine hundred nine".