11578225 has 12 divisors (see below), whose sum is σ = 14746204. Its totient is φ = 9011520.

The previous prime is 11578213. The next prime is 11578243. The reversal of 11578225 is 52287511.

11578225 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 6 ways, for example, as 1382976 + 10195249 = 1176^2 + 3193^2 .

It is not a de Polignac number, because 11578225 - 2¹³ = 11570033 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5334 + ... + 7183.

Almost surely, 2^11578225 is an apocalyptic number.

It is an amenable number.

11578225 is a deficient number, since it is larger than the sum of its proper divisors (3167979).

11578225 is a wasteful number, since it uses less digits than its factorization.

11578225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564 (or 12559 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 11578225 is about 3402.6790915395. The cubic root of 11578225 is about 226.2285064490.

The spelling of 11578225 in words is "eleven million, five hundred seventy-eight thousand, two hundred twenty-five".