12055991579 has 8 divisors (see below), whose sum is σ = 12084571440. Its totient is φ = 12027433600.

The previous prime is 12055991527. The next prime is 12055991593. The reversal of 12055991579 is 97519955021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12055991579 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 12055991579.

It is not an unprimeable number, because it can be changed into a prime (12055991599) 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, 1668284 + ... + 1675494.

It is an arithmetic number, because the mean of its divisors is an integer number (1510571430).

Almost surely, 2^12055991579 is an apocalyptic number.

12055991579 is a deficient number, since it is larger than the sum of its proper divisors (28579861).

12055991579 is an equidigital number, since it uses as much as digits as its factorization.

12055991579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941.

The product of its (nonzero) digits is 1275750, while the sum is 53.

The spelling of 12055991579 in words is "twelve billion, fifty-five million, nine hundred ninety-one thousand, five hundred seventy-nine".