11851889 has 8 divisors (see below), whose sum is σ = 13982208. Its totient is φ = 9830880.

The previous prime is 11851867. The next prime is 11851891. The reversal of 11851889 is 98815811.

It is a happy number.

11851889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11851889 - 2¹⁶ = 11786353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11851859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27092 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (1747776).

Almost surely, 2^11851889 is an apocalyptic number.

It is an amenable number.

11851889 is a deficient number, since it is larger than the sum of its proper divisors (2130319).

11851889 is an equidigital number, since it uses as much as digits as its factorization.

11851889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54655.

The product of its digits is 23040, while the sum is 41.

The square root of 11851889 is about 3442.6572585722. The cubic root of 11851889 is about 227.9970310991.

The spelling of 11851889 in words is "eleven million, eight hundred fifty-one thousand, eight hundred eighty-nine".