12066501566615 has 16 divisors (see below), whose sum is σ = 14612851677600. Its totient is φ = 9564503905152.

The previous prime is 12066501566611. The next prime is 12066501566681. The reversal of 12066501566615 is 51666510566021.

It is a happy number.

12066501566615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12066501566615 - 2² = 12066501566611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066501566611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57869216 + ... + 58077354.

It is an arithmetic number, because the mean of its divisors is an integer number (913303229850).

Almost surely, 2^{12066501566615} is an apocalyptic number.

12066501566615 is a deficient number, since it is larger than the sum of its proper divisors (2546350110985).

12066501566615 is a wasteful number, since it uses less digits than its factorization.

12066501566615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314626.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 12066501566615 in words is "twelve trillion, sixty-six billion, five hundred one million, five hundred sixty-six thousand, six hundred fifteen".