11625809 has 8 divisors (see below), whose sum is σ = 12552960. Its totient is φ = 10703376.

The previous prime is 11625799. The next prime is 11625827. The reversal of 11625809 is 90852611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11625809 - 2⁴ = 11625793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11625829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5294 + ... + 7160.

It is an arithmetic number, because the mean of its divisors is an integer number (1569120).

Almost surely, 2^11625809 is an apocalyptic number.

It is an amenable number.

11625809 is a deficient number, since it is larger than the sum of its proper divisors (927151).

11625809 is a wasteful number, since it uses less digits than its factorization.

11625809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 11625809 is about 3409.6640596986. The cubic root of 11625809 is about 226.5379995924.

The spelling of 11625809 in words is "eleven million, six hundred twenty-five thousand, eight hundred nine".