12071887559 has 4 divisors (see below), whose sum is σ = 12080278080. Its totient is φ = 12063497040.

The previous prime is 12071887543. The next prime is 12071887573. The reversal of 12071887559 is 95578817021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12071887559 - 2⁴ = 12071887543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12071887559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071887259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4193102 + ... + 4195979.

It is an arithmetic number, because the mean of its divisors is an integer number (3020069520).

Almost surely, 2^12071887559 is an apocalyptic number.

12071887559 is a deficient number, since it is larger than the sum of its proper divisors (8390521).

12071887559 is an equidigital number, since it uses as much as digits as its factorization.

12071887559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390520.

The product of its (nonzero) digits is 1411200, while the sum is 53.

The spelling of 12071887559 in words is "twelve billion, seventy-one million, eight hundred eighty-seven thousand, five hundred fifty-nine".