11889430189 has 8 divisors (see below), whose sum is σ = 14633144960. Its totient is φ = 9407021616.

The previous prime is 11889430171. The next prime is 11889430193. The reversal of 11889430189 is 98103498811.

11889430189 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 11889430189 - 2⁷ = 11889430061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889430129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65326449 + ... + 65326630.

It is an arithmetic number, because the mean of its divisors is an integer number (1829143120).

Almost surely, 2^11889430189 is an apocalyptic number.

It is an amenable number.

11889430189 is a deficient number, since it is larger than the sum of its proper divisors (2743714771).

11889430189 is a wasteful number, since it uses less digits than its factorization.

11889430189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130653099.

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 11889430189 in words is "eleven billion, eight hundred eighty-nine million, four hundred thirty thousand, one hundred eighty-nine".