11087225 has 6 divisors (see below), whose sum is σ = 13748190. Its totient is φ = 8869760.

The previous prime is 11087207. The next prime is 11087267. The reversal of 11087225 is 52278011.

It can be written as a sum of positive squares in 3 ways, for example, as 309136 + 10778089 = 556^2 + 3283^2 .

It is not a de Polignac number, because 11087225 - 2⁸ = 11086969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11087194 and 11087203.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 221720 + ... + 221769.

It is an arithmetic number, because the mean of its divisors is an integer number (2291365).

Almost surely, 2^11087225 is an apocalyptic number.

It is an amenable number.

11087225 is a deficient number, since it is larger than the sum of its proper divisors (2660965).

11087225 is an equidigital number, since it uses as much as digits as its factorization.

11087225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443499 (or 443494 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11087225 is about 3329.7484890003. The cubic root of 11087225 is about 222.9843004760.

The spelling of 11087225 in words is "eleven million, eighty-seven thousand, two hundred twenty-five".