12066116455 has 4 divisors (see below), whose sum is σ = 14479339752. Its totient is φ = 9652893160.

The previous prime is 12066116423. The next prime is 12066116467. The reversal of 12066116455 is 55461166021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55461166021 = 37 ⋅1498950433.

It is not a de Polignac number, because 12066116455 - 2⁵ = 12066116423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1206611641 + ... + 1206611650.

It is an arithmetic number, because the mean of its divisors is an integer number (3619834938).

Almost surely, 2^12066116455 is an apocalyptic number.

12066116455 is a deficient number, since it is larger than the sum of its proper divisors (2413223297).

12066116455 is an equidigital number, since it uses as much as digits as its factorization.

12066116455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413223296.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 12066116455 in words is "twelve billion, sixty-six million, one hundred sixteen thousand, four hundred fifty-five".