11550225 has 24 divisors (see below), whose sum is σ = 20221920. Its totient is φ = 5797120.

The previous prime is 11550223. The next prime is 11550239. The reversal of 11550225 is 52205511.

11550225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11550225 - 2¹ = 11550223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11550223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3255 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (842580).

Almost surely, 2^11550225 is an apocalyptic number.

11550225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11550225 is a deficient number, since it is larger than the sum of its proper divisors (8671695).

11550225 is a wasteful number, since it uses less digits than its factorization.

11550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 11550225 is about 3398.5621959882. The cubic root of 11550225 is about 226.0459939804.

Adding to 11550225 its reverse (52205511), we get a palindrome (63755736).

The spelling of 11550225 in words is "eleven million, five hundred fifty thousand, two hundred twenty-five".