82659222557101 has 4 divisors (see below), whose sum is σ = 82659266021052. Its totient is φ = 82659179093152.

The previous prime is 82659222557081. The next prime is 82659222557203. The reversal of 82659222557101 is 10175522295628.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27571268197225 + 55087954359876 = 5250835^2 + 7422126^2 .

It is a cyclic number.

It is not a de Polignac number, because 82659222557101 - 2⁴³ = 73863129534893 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 (82659222557501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18742186 + ... + 22728571.

It is an arithmetic number, because the mean of its divisors is an integer number (20664816505263).

Almost surely, 2^{82659222557101} is an apocalyptic number.

It is an amenable number.

82659222557101 is a deficient number, since it is larger than the sum of its proper divisors (43463951).

82659222557101 is a wasteful number, since it uses less digits than its factorization.

82659222557101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43463950.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 82659222557101 in words is "eighty-two trillion, six hundred fifty-nine billion, two hundred twenty-two million, five hundred fifty-seven thousand, one hundred one".