11566425 has 24 divisors (see below), whose sum is σ = 20595904. Its totient is φ = 5693760.

The previous prime is 11566403. The next prime is 11566453. The reversal of 11566425 is 52466511.

11566425 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 11566425 - 2⁶ = 11566361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11566392 and 11566401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4957 + ... + 6906.

Almost surely, 2^11566425 is an apocalyptic number.

11566425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11566425 is a deficient number, since it is larger than the sum of its proper divisors (9029479).

11566425 is a wasteful number, since it uses less digits than its factorization.

11566425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889 (or 11884 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 11566425 is about 3400.9447216913. The cubic root of 11566425 is about 226.1516263928.

The spelling of 11566425 in words is "eleven million, five hundred sixty-six thousand, four hundred twenty-five".