12159783861 has 8 divisors (see below), whose sum is σ = 16213578720. Its totient is φ = 8106255792.

The previous prime is 12159783841. The next prime is 12159783877. The reversal of 12159783861 is 16838795121.

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

It is not a de Polignac number, because 12159783861 - 2¹¹ = 12159781813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12159783841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97171 + ... + 183743.

It is an arithmetic number, because the mean of its divisors is an integer number (2026697340).

Almost surely, 2^12159783861 is an apocalyptic number.

It is an amenable number.

12159783861 is a deficient number, since it is larger than the sum of its proper divisors (4053794859).

12159783861 is an equidigital number, since it uses as much as digits as its factorization.

12159783861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133395.

The product of its digits is 725760, while the sum is 51.

The spelling of 12159783861 in words is "twelve billion, one hundred fifty-nine million, seven hundred eighty-three thousand, eight hundred sixty-one".