8131041504208 has 40 divisors (see below), whose sum is σ = 18031201736768. Its totient is φ = 3479554132992.

The previous prime is 8131041504193. The next prime is 8131041504211. The reversal of 8131041504208 is 8024051401318.

It is a super-2 number, since 2×8131041504208² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 53861166 + ... + 54011917.

Almost surely, 2^{8131041504208} is an apocalyptic number.

It is an amenable number.

8131041504208 is an abundant number, since it is smaller than the sum of its proper divisors (9900160232560).

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

8131041504208 is a wasteful number, since it uses less digits than its factorization.

8131041504208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107873771 (or 107873765 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 8131041504208 in words is "eight trillion, one hundred thirty-one billion, forty-one million, five hundred four thousand, two hundred eight".