11811325 has 18 divisors (see below), whose sum is σ = 15176174. Its totient is φ = 9112320.

The previous prime is 11811301. The next prime is 11811343. The reversal of 11811325 is 52311811.

It can be written as a sum of positive squares in 9 ways, for example, as 7918596 + 3892729 = 2814^2 + 1973^2 .

It is not a de Polignac number, because 11811325 - 2¹¹ = 11809277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11811296 and 11811305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 104469 + ... + 104581.

Almost surely, 2^11811325 is an apocalyptic number.

It is an amenable number.

11811325 is a deficient number, since it is larger than the sum of its proper divisors (3364849).

11811325 is an equidigital number, since it uses as much as digits as its factorization.

11811325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 155 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 11811325 is about 3436.7608296185. The cubic root of 11811325 is about 227.7366213344.

The spelling of 11811325 in words is "eleven million, eight hundred eleven thousand, three hundred twenty-five".