11892340889 has 36 divisors (see below), whose sum is σ = 14355726336. Its totient is φ = 9837828000.

The previous prime is 11892340861. The next prime is 11892340891. The reversal of 11892340889 is 98804329811.

11892340889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11892340889 - 2¹² = 11892336793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11892340889.

It is not an unprimeable number, because it can be changed into a prime (11892340589) 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 35 ways as a sum of consecutive naturals, for example, 1447784 + ... + 1455974.

It is an arithmetic number, because the mean of its divisors is an integer number (398770176).

Almost surely, 2^11892340889 is an apocalyptic number.

It is an amenable number.

11892340889 is a deficient number, since it is larger than the sum of its proper divisors (2463385447).

11892340889 is a wasteful number, since it uses less digits than its factorization.

11892340889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310 (or 8286 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 11892340889 in words is "eleven billion, eight hundred ninety-two million, three hundred forty thousand, eight hundred eighty-nine".