8640041870811 has 16 divisors (see below), whose sum is σ = 12411681796640. Its totient is φ = 5314605488640.

The previous prime is 8640041870807. The next prime is 8640041870813. The reversal of 8640041870811 is 1180781400468.

It is not a de Polignac number, because 8640041870811 - 2² = 8640041870807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8640041870813) 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, 48730270 + ... + 48907251.

It is an arithmetic number, because the mean of its divisors is an integer number (775730112290).

Almost surely, 2^{8640041870811} is an apocalyptic number.

8640041870811 is a deficient number, since it is larger than the sum of its proper divisors (3771639925829).

8640041870811 is a wasteful number, since it uses less digits than its factorization.

8640041870811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97639806.

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 8640041870811 in words is "eight trillion, six hundred forty billion, forty-one million, eight hundred seventy thousand, eight hundred eleven".