82543338113571 has 8 divisors (see below), whose sum is σ = 122286426834960. Its totient is φ = 55028892075696.

The previous prime is 82543338113513. The next prime is 82543338113629. The reversal of 82543338113571 is 17531183334528.

82543338113571 is a `hidden beast` number, since 8 + 2 + 5 + 4 + 33 + 38 + 1 + 1 + 3 + 571 = 666.

It is an interprime number because it is at equal distance from previous prime (82543338113513) and next prime (82543338113629).

It is not a de Polignac number, because 82543338113571 - 2¹⁹ = 82543337589283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82543338113371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528580335410 + ... + 1528580335463.

It is an arithmetic number, because the mean of its divisors is an integer number (15285803354370).

Almost surely, 2^{82543338113571} is an apocalyptic number.

82543338113571 is a deficient number, since it is larger than the sum of its proper divisors (39743088721389).

82543338113571 is a wasteful number, since it uses less digits than its factorization.

82543338113571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057160670882 (or 3057160670876 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 82543338113571 in words is "eighty-two trillion, five hundred forty-three billion, three hundred thirty-eight million, one hundred thirteen thousand, five hundred seventy-one".