11009975 has 6 divisors (see below), whose sum is σ = 13652400. Its totient is φ = 8807960.

The previous prime is 11009959. The next prime is 11009983. The reversal of 11009975 is 57990011.

It is not a de Polignac number, because 11009975 - 2⁴ = 11009959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 220175 + ... + 220224.

It is an arithmetic number, because the mean of its divisors is an integer number (2275400).

Almost surely, 2^11009975 is an apocalyptic number.

11009975 is a deficient number, since it is larger than the sum of its proper divisors (2642425).

11009975 is an equidigital number, since it uses as much as digits as its factorization.

11009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440409 (or 440404 counting only the distinct ones).

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

The square root of 11009975 is about 3318.1282374254. The cubic root of 11009975 is about 222.4652135997.

Adding to 11009975 its reverse (57990011), we get a palindrome (68999986).

The spelling of 11009975 in words is "eleven million, nine thousand, nine hundred seventy-five".