11145725 has 6 divisors (see below), whose sum is σ = 13820730. Its totient is φ = 8916560.

The previous prime is 11145707. The next prime is 11145751. The reversal of 11145725 is 52754111.

It can be written as a sum of positive squares in 3 ways, for example, as 3481 + 11142244 = 59^2 + 3338^2 .

It is not a de Polignac number, because 11145725 - 2⁶ = 11145661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11145694 and 11145703.

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, 222890 + ... + 222939.

It is an arithmetic number, because the mean of its divisors is an integer number (2303455).

Almost surely, 2^11145725 is an apocalyptic number.

It is an amenable number.

11145725 is a deficient number, since it is larger than the sum of its proper divisors (2675005).

11145725 is an equidigital number, since it uses as much as digits as its factorization.

11145725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445839 (or 445834 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 11145725 is about 3338.5213792935. The cubic root of 11145725 is about 223.3757932686.

Adding to 11145725 its reverse (52754111), we get a palindrome (63899836).

The spelling of 11145725 in words is "eleven million, one hundred forty-five thousand, seven hundred twenty-five".