8115681065108 has 24 divisors (see below), whose sum is σ = 14533523262720. Its totient is φ = 3963256133760.

The previous prime is 8115681065057. The next prime is 8115681065123. The reversal of 8115681065108 is 8015601865118.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1902173 + ... + 4455291.

It is an arithmetic number, because the mean of its divisors is an integer number (605563469280).

Almost surely, 2^{8115681065108} is an apocalyptic number.

It is an amenable number.

8115681065108 is a deficient number, since it is larger than the sum of its proper divisors (6417842197612).

8115681065108 is a wasteful number, since it uses less digits than its factorization.

8115681065108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571647 (or 2571645 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 50.

The spelling of 8115681065108 in words is "eight trillion, one hundred fifteen billion, six hundred eighty-one million, sixty-five thousand, one hundred eight".