8111871702072 has 96 divisors (see below), whose sum is σ = 22680622673280. Its totient is φ = 2616470691840.

The previous prime is 8111871702061. The next prime is 8111871702131. The reversal of 8111871702072 is 2702071781118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22752448 + ... + 23106224.

It is an arithmetic number, because the mean of its divisors is an integer number (236256486180).

Almost surely, 2^{8111871702072} is an apocalyptic number.

It is an amenable number.

8111871702072 is an abundant number, since it is smaller than the sum of its proper divisors (14568750971208).

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

8111871702072 is a wasteful number, since it uses less digits than its factorization.

8111871702072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364093 (or 364086 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 45.

The spelling of 8111871702072 in words is "eight trillion, one hundred eleven billion, eight hundred seventy-one million, seven hundred two thousand, seventy-two".