8143813371312 has 80 divisors (see below), whose sum is σ = 23378073290880. Its totient is φ = 2714335887168.

The previous prime is 8143813371283. The next prime is 8143813371377. The reversal of 8143813371312 is 2131733183418.

8143813371312 is a `hidden beast` number, since 8 + 1 + 438 + 133 + 71 + 3 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462963 + ... + 5317869.

It is an arithmetic number, because the mean of its divisors is an integer number (292225916136).

Almost surely, 2^{8143813371312} is an apocalyptic number.

It is an amenable number.

8143813371312 is an abundant number, since it is smaller than the sum of its proper divisors (15234259919568).

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

8143813371312 is a wasteful number, since it uses less digits than its factorization.

8143813371312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865087 (or 1865075 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 8143813371312 in words is "eight trillion, one hundred forty-three billion, eight hundred thirteen million, three hundred seventy-one thousand, three hundred twelve".