11175031225 has 6 divisors (see below), whose sum is σ = 13857038750. Its totient is φ = 8940024960.

The previous prime is 11175031207. The next prime is 11175031253. The reversal of 11175031225 is 52213057111.

11175031225 is digitally balanced in base 2, 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 129231424 + 11045799801 = 11368^2 + 105099^2 .

It is not a de Polignac number, because 11175031225 - 2⁵ = 11175031193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11175031193 and 11175031202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223500600 + ... + 223500649.

Almost surely, 2^11175031225 is an apocalyptic number.

It is an amenable number.

11175031225 is a deficient number, since it is larger than the sum of its proper divisors (2682007525).

11175031225 is an equidigital number, since it uses as much as digits as its factorization.

11175031225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447001259 (or 447001254 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 11175031225 its reverse (52213057111), we get a palindrome (63388088336).

The spelling of 11175031225 in words is "eleven billion, one hundred seventy-five million, thirty-one thousand, two hundred twenty-five".