82111546655 has 4 divisors (see below), whose sum is σ = 98533855992. Its totient is φ = 65689237320.

The previous prime is 82111546651. The next prime is 82111546663. The reversal of 82111546655 is 55664511128.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82111546655 - 2² = 82111546651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82111546651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8211154661 + ... + 8211154670.

It is an arithmetic number, because the mean of its divisors is an integer number (24633463998).

Almost surely, 2^82111546655 is an apocalyptic number.

82111546655 is a deficient number, since it is larger than the sum of its proper divisors (16422309337).

82111546655 is a wasteful number, since it uses less digits than its factorization.

82111546655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16422309336.

The product of its digits is 288000, while the sum is 44.

The spelling of 82111546655 in words is "eighty-two billion, one hundred eleven million, five hundred forty-six thousand, six hundred fifty-five".