5266502641987 has 2 divisors, whose sum is σ = 5266502641988. Its totient is φ = 5266502641986.

The previous prime is 5266502641973. The next prime is 5266502642033. The reversal of 5266502641987 is 7891462056625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5266502641987 - 2¹⁵ = 5266502609219 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266502641957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633251320993 + 2633251320994.

It is an arithmetic number, because the mean of its divisors is an integer number (2633251320994).

Almost surely, 2^{5266502641987} is an apocalyptic number.

5266502641987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266502641987 is an equidigital number, since it uses as much as digits as its factorization.

5266502641987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 5266502641987 in words is "five trillion, two hundred sixty-six billion, five hundred two million, six hundred forty-one thousand, nine hundred eighty-seven".