11288825 has 6 divisors (see below), whose sum is σ = 13998174. Its totient is φ = 9031040.

The previous prime is 11288819. The next prime is 11288839. The reversal of 11288825 is 52888211.

11288825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2930944 + 8357881 = 1712^2 + 2891^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11288825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225752 + ... + 225801.

It is an arithmetic number, because the mean of its divisors is an integer number (2333029).

Almost surely, 2^11288825 is an apocalyptic number.

It is an amenable number.

11288825 is a deficient number, since it is larger than the sum of its proper divisors (2709349).

11288825 is an equidigital number, since it uses as much as digits as its factorization.

11288825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451563 (or 451558 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The square root of 11288825 is about 3359.8846706398. The cubic root of 11288825 is about 224.3277051332.

The spelling of 11288825 in words is "eleven million, two hundred eighty-eight thousand, eight hundred twenty-five".