82565266141 has 2 divisors, whose sum is σ = 82565266142. Its totient is φ = 82565266140.

The previous prime is 82565266087. The next prime is 82565266211. The reversal of 82565266141 is 14166256528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45920204100 + 36645062041 = 214290^2 + 191429^2 .

It is a cyclic number.

It is not a de Polignac number, because 82565266141 - 2⁷ = 82565266013 is a prime.

It is a super-2 number, since 2×82565266141² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82565266091 and 82565266100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82565266241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41282633070 + 41282633071.

It is an arithmetic number, because the mean of its divisors is an integer number (41282633071).

Almost surely, 2^82565266141 is an apocalyptic number.

It is an amenable number.

82565266141 is a deficient number, since it is larger than the sum of its proper divisors (1).

82565266141 is an equidigital number, since it uses as much as digits as its factorization.

82565266141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 46.

The spelling of 82565266141 in words is "eighty-two billion, five hundred sixty-five million, two hundred sixty-six thousand, one hundred forty-one".