445680081115361 has 2 divisors, whose sum is σ = 445680081115362. Its totient is φ = 445680081115360.

The previous prime is 445680081115327. The next prime is 445680081115447. The reversal of 445680081115361 is 163511180086544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300281244390625 + 145398836724736 = 17328625^2 + 12058144^2 .

It is a cyclic number.

It is not a de Polignac number, because 445680081115361 - 2⁴⁶ = 375311336937697 is a prime.

It is not a weakly prime, because it can be changed into another prime (445680081115961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222840040557680 + 222840040557681.

It is an arithmetic number, because the mean of its divisors is an integer number (222840040557681).

Almost surely, 2^{445680081115361} is an apocalyptic number.

It is an amenable number.

445680081115361 is a deficient number, since it is larger than the sum of its proper divisors (1).

445680081115361 is an equidigital number, since it uses as much as digits as its factorization.

445680081115361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 445680081115361 in words is "four hundred forty-five trillion, six hundred eighty billion, eighty-one million, one hundred fifteen thousand, three hundred sixty-one".