66011110060611 has 8 divisors (see below), whose sum is σ = 88365470042304. Its totient is φ = 43832078393000.

The previous prime is 66011110060579. The next prime is 66011110060663. The reversal of 66011110060611 is 11606001111066.

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

It is a cyclic number.

It is not a de Polignac number, because 66011110060611 - 2⁵ = 66011110060579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66011110060211) 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, 43832077641 + ... + 43832079146.

It is an arithmetic number, because the mean of its divisors is an integer number (11045683755288).

Almost surely, 2^{66011110060611} is an apocalyptic number.

66011110060611 is a deficient number, since it is larger than the sum of its proper divisors (22354359981693).

66011110060611 is a wasteful number, since it uses less digits than its factorization.

66011110060611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87664157041.

The product of its (nonzero) digits is 1296, while the sum is 30.

Adding to 66011110060611 its reverse (11606001111066), we get a palindrome (77617111171677).

The spelling of 66011110060611 in words is "sixty-six trillion, eleven billion, one hundred ten million, sixty thousand, six hundred eleven".