82515258056 has 32 divisors (see below), whose sum is σ = 192892812480. Its totient is φ = 32148801600.

The previous prime is 82515258047. The next prime is 82515258097. The reversal of 82515258056 is 65085251528.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82515258056.

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, 66976055 + ... + 66977286.

It is an arithmetic number, because the mean of its divisors is an integer number (6027900390).

Almost surely, 2^82515258056 is an apocalyptic number.

It is an amenable number.

82515258056 is an abundant number, since it is smaller than the sum of its proper divisors (110377554424).

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

82515258056 is a wasteful number, since it uses less digits than its factorization.

82515258056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133953365 (or 133953361 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 82515258056 in words is "eighty-two billion, five hundred fifteen million, two hundred fifty-eight thousand, fifty-six".