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11087 is a prime number
BaseRepresentation
bin10101101001111
3120012122
42231033
5323322
6123155
744216
oct25517
916178
1011087
11836a
1264bb
13507b
14407d
153442
hex2b4f

11087 has 2 divisors, whose sum is σ = 11088. Its totient is φ = 11086.

The previous prime is 11083. The next prime is 11093. The reversal of 11087 is 78011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11087 - 22 = 11083 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11087.

It is not a weakly prime, because it can be changed into another prime (11083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5543 + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (5544).

211087 is an apocalyptic number.

11087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11087 is an equidigital number, since it uses as much as digits as its factorization.

11087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11087 is about 105.2948241843. The cubic root of 11087 is about 22.2982792079.

Adding to 11087 its reverse (78011), we get a palindrome (89098).

The spelling of 11087 in words is "eleven thousand, eighty-seven".