9664853070511 has 24 divisors (see below), whose sum is σ = 10127097191232. Its totient is φ = 9219389625600.

The previous prime is 9664853070503. The next prime is 9664853070527. The reversal of 9664853070511 is 1150703584669.

It is not a de Polignac number, because 9664853070511 - 2³ = 9664853070503 is a prime.

It is a super-2 number, since 2×9664853070511² (a number of 27 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 (9664853070211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80606241 + ... + 80726053.

It is an arithmetic number, because the mean of its divisors is an integer number (421962382968).

Almost surely, 2^{9664853070511} is an apocalyptic number.

9664853070511 is a deficient number, since it is larger than the sum of its proper divisors (462244120721).

9664853070511 is a wasteful number, since it uses less digits than its factorization.

9664853070511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120963 (or 120922 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 9664853070511 in words is "nine trillion, six hundred sixty-four billion, eight hundred fifty-three million, seventy thousand, five hundred eleven".