66050205711 has 8 divisors (see below), whose sum is σ = 100647932544. Its totient is φ = 37742974680.

The previous prime is 66050205709. The next prime is 66050205719. The reversal of 66050205711 is 11750205066.

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

It is not a de Polignac number, because 66050205711 - 2¹ = 66050205709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66050205719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572623925 + ... + 1572623966.

It is an arithmetic number, because the mean of its divisors is an integer number (12580991568).

Almost surely, 2^66050205711 is an apocalyptic number.

66050205711 is a deficient number, since it is larger than the sum of its proper divisors (34597726833).

66050205711 is a wasteful number, since it uses less digits than its factorization.

66050205711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145247901.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 66050205711 in words is "sixty-six billion, fifty million, two hundred five thousand, seven hundred eleven".