11825905889 has 16 divisors (see below), whose sum is σ = 13867754880. Its totient is φ = 9872979840.

The previous prime is 11825905867. The next prime is 11825905901. The reversal of 11825905889 is 98850952811.

It is a cyclic number.

It is not a de Polignac number, because 11825905889 - 2²⁴ = 11809128673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11825905829) 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 15 ways as a sum of consecutive naturals, for example, 142322 + ... + 209540.

It is an arithmetic number, because the mean of its divisors is an integer number (866734680).

Almost surely, 2^11825905889 is an apocalyptic number.

It is an amenable number.

11825905889 is a deficient number, since it is larger than the sum of its proper divisors (2041848991).

11825905889 is an equidigital number, since it uses as much as digits as its factorization.

11825905889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67880.

The product of its (nonzero) digits is 2073600, while the sum is 56.

The spelling of 11825905889 in words is "eleven billion, eight hundred twenty-five million, nine hundred five thousand, eight hundred eighty-nine".