12066020515505 has 16 divisors (see below), whose sum is σ = 16180774299648. Its totient is φ = 8561256240000.

The previous prime is 12066020515501. The next prime is 12066020515519. The reversal of 12066020515505 is 50551502066021.

It is not a de Polignac number, because 12066020515505 - 2² = 12066020515501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066020515501) 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, 2675390321 + ... + 2675394830.

It is an arithmetic number, because the mean of its divisors is an integer number (1011298393728).

Almost surely, 2^{12066020515505} is an apocalyptic number.

It is an amenable number.

12066020515505 is a deficient number, since it is larger than the sum of its proper divisors (4114753784143).

12066020515505 is a wasteful number, since it uses less digits than its factorization.

12066020515505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350785208.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 12066020515505 in words is "twelve trillion, sixty-six billion, twenty million, five hundred fifteen thousand, five hundred five".