82261262295851 has 2 divisors, whose sum is σ = 82261262295852. Its totient is φ = 82261262295850.

The previous prime is 82261262295847. The next prime is 82261262295923. The reversal of 82261262295851 is 15859226216228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82261262295851 - 2² = 82261262295847 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (82261262291851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41130631147925 + 41130631147926.

It is an arithmetic number, because the mean of its divisors is an integer number (41130631147926).

Almost surely, 2^{82261262295851} is an apocalyptic number.

82261262295851 is a deficient number, since it is larger than the sum of its proper divisors (1).

82261262295851 is an equidigital number, since it uses as much as digits as its factorization.

82261262295851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16588800, while the sum is 59.

The spelling of 82261262295851 in words is "eighty-two trillion, two hundred sixty-one billion, two hundred sixty-two million, two hundred ninety-five thousand, eight hundred fifty-one".