8045681071971 has 16 divisors (see below), whose sum is σ = 11018261805824. Its totient is φ = 5218463664864.

The previous prime is 8045681071957. The next prime is 8045681071991. The reversal of 8045681071971 is 1791701865408.

It is not a de Polignac number, because 8045681071971 - 2⁹ = 8045681071459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8045681071991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838471 + ... + 4098096.

It is an arithmetic number, because the mean of its divisors is an integer number (688641362864).

Almost surely, 2^{8045681071971} is an apocalyptic number.

8045681071971 is a deficient number, since it is larger than the sum of its proper divisors (2972580733853).

8045681071971 is a wasteful number, since it uses less digits than its factorization.

8045681071971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951290.

The product of its (nonzero) digits is 3386880, while the sum is 57.

The spelling of 8045681071971 in words is "eight trillion, forty-five billion, six hundred eighty-one million, seventy-one thousand, nine hundred seventy-one".