11087211 has 4 divisors (see below), whose sum is σ = 14782952. Its totient is φ = 7391472.

The previous prime is 11087207. The next prime is 11087267. The reversal of 11087211 is 11278011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11087211 - 2² = 11087207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847866 + ... + 1847871.

It is an arithmetic number, because the mean of its divisors is an integer number (3695738).

Almost surely, 2^11087211 is an apocalyptic number.

11087211 is a deficient number, since it is larger than the sum of its proper divisors (3695741).

11087211 is an equidigital number, since it uses as much as digits as its factorization.

11087211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695740.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 11087211 is about 3329.7463867388. The cubic root of 11087211 is about 222.9842066208.

The spelling of 11087211 in words is "eleven million, eighty-seven thousand, two hundred eleven".