8111407178368 has 64 divisors (see below), whose sum is σ = 17406790569000. Its totient is φ = 3742798675968.

The previous prime is 8111407178351. The next prime is 8111407178389. The reversal of 8111407178368 is 8638717041118.

It can be written as a sum of positive squares in 4 ways, for example, as 6718837253184 + 1392569925184 = 2592072^2 + 1180072^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6135580 + ... + 7339492.

Almost surely, 2^{8111407178368} is an apocalyptic number.

It is an amenable number.

8111407178368 is an abundant number, since it is smaller than the sum of its proper divisors (9295383390632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8111407178368 is a wasteful number, since it uses less digits than its factorization.

8111407178368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207989 (or 1207977 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 55.

The spelling of 8111407178368 in words is "eight trillion, one hundred eleven billion, four hundred seven million, one hundred seventy-eight thousand, three hundred sixty-eight".