66711119311 has 8 divisors (see below), whose sum is σ = 68534046000. Its totient is φ = 64897517760.

The previous prime is 66711119303. The next prime is 66711119339. The reversal of 66711119311 is 11391111766.

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 66711119311 - 2³ = 66711119303 is a prime.

It is a super-2 number, since 2×66711119311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66711119611) 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, 2316781 + ... + 2345398.

It is an arithmetic number, because the mean of its divisors is an integer number (8566755750).

Almost surely, 2^66711119311 is an apocalyptic number.

66711119311 is a deficient number, since it is larger than the sum of its proper divisors (1822926689).

66711119311 is a wasteful number, since it uses less digits than its factorization.

66711119311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662569.

The product of its digits is 6804, while the sum is 37.

The spelling of 66711119311 in words is "sixty-six billion, seven hundred eleven million, one hundred nineteen thousand, three hundred eleven".