12066413155 has 4 divisors (see below), whose sum is σ = 14479695792. Its totient is φ = 9653130520.

The previous prime is 12066413147. The next prime is 12066413167. The reversal of 12066413155 is 55131466021.

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

It is not a de Polignac number, because 12066413155 - 2³ = 12066413147 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 12066413155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206641311 + ... + 1206641320.

It is an arithmetic number, because the mean of its divisors is an integer number (3619923948).

Almost surely, 2^12066413155 is an apocalyptic number.

12066413155 is a deficient number, since it is larger than the sum of its proper divisors (2413282637).

12066413155 is an equidigital number, since it uses as much as digits as its factorization.

12066413155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413282636.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 12066413155 its reverse (55131466021), we get a palindrome (67197879176).

The spelling of 12066413155 in words is "twelve billion, sixty-six million, four hundred thirteen thousand, one hundred fifty-five".