11009425 has 24 divisors (see below), whose sum is σ = 15909696. Its totient is φ = 7400640.

The previous prime is 11009413. The next prime is 11009429. The reversal of 11009425 is 52490011.

It is a de Polignac number, because none of the positive numbers 2^k-11009425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11009396 and 11009405.

It is not an unprimeable number, because it can be changed into a prime (11009429) 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, 8682 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (662904).

Almost surely, 2^11009425 is an apocalyptic number.

It is an amenable number.

11009425 is a deficient number, since it is larger than the sum of its proper divisors (4900271).

11009425 is a wasteful number, since it uses less digits than its factorization.

11009425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11009425 is about 3318.0453583398. The cubic root of 11009425 is about 222.4615091436.

Adding to 11009425 its reverse (52490011), we get a palindrome (63499436).

The spelling of 11009425 in words is "eleven million, nine thousand, four hundred twenty-five".