65220006011171 has 16 divisors (see below), whose sum is σ = 73118796581376. Its totient is φ = 57658798440000.

The previous prime is 65220006011159. The next prime is 65220006011189. The reversal of 65220006011171 is 17111060002256.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65220006011171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65220006011131) 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, 232354895 + ... + 232635416.

It is an arithmetic number, because the mean of its divisors is an integer number (4569924786336).

Almost surely, 2^{65220006011171} is an apocalyptic number.

65220006011171 is a deficient number, since it is larger than the sum of its proper divisors (7898790570205).

65220006011171 is a wasteful number, since it uses less digits than its factorization.

65220006011171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464990674.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 65220006011171 in words is "sixty-five trillion, two hundred twenty billion, six million, eleven thousand, one hundred seventy-one".