52505642666599 has 2 divisors, whose sum is σ = 52505642666600. Its totient is φ = 52505642666598.

The previous prime is 52505642666549. The next prime is 52505642666627. The reversal of 52505642666599 is 99566624650525.

52505642666599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52505642666599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52505642666549) 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 as a sum of consecutive naturals, namely, 26252821333299 + 26252821333300.

It is an arithmetic number, because the mean of its divisors is an integer number (26252821333300).

Almost surely, 2^{52505642666599} is an apocalyptic number.

52505642666599 is a deficient number, since it is larger than the sum of its proper divisors (1).

52505642666599 is an equidigital number, since it uses as much as digits as its factorization.

52505642666599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760000, while the sum is 70.

The spelling of 52505642666599 in words is "fifty-two trillion, five hundred five billion, six hundred forty-two million, six hundred sixty-six thousand, five hundred ninety-nine".