8640930406111 has 2 divisors, whose sum is σ = 8640930406112. Its totient is φ = 8640930406110.

The previous prime is 8640930406067. The next prime is 8640930406127. The reversal of 8640930406111 is 1116040390468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8640930406111 - 2³⁵ = 8606570667743 is a prime.

It is a super-2 number, since 2×8640930406111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8640930406711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4320465203055 + 4320465203056.

It is an arithmetic number, because the mean of its divisors is an integer number (4320465203056).

Almost surely, 2^{8640930406111} is an apocalyptic number.

8640930406111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8640930406111 is an equidigital number, since it uses as much as digits as its factorization.

8640930406111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

Adding to 8640930406111 its reverse (1116040390468), we get a palindrome (9756970796579).

The spelling of 8640930406111 in words is "eight trillion, six hundred forty billion, nine hundred thirty million, four hundred six thousand, one hundred eleven".