5266511566279 has 2 divisors, whose sum is σ = 5266511566280. Its totient is φ = 5266511566278.

The previous prime is 5266511566201. The next prime is 5266511566291. The reversal of 5266511566279 is 9726651156625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5266511566279 - 2³³ = 5257921631687 is a prime.

It is a super-2 number, since 2×5266511566279² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5266511566079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633255783139 + 2633255783140.

It is an arithmetic number, because the mean of its divisors is an integer number (2633255783140).

Almost surely, 2^{5266511566279} is an apocalyptic number.

5266511566279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266511566279 is an equidigital number, since it uses as much as digits as its factorization.

5266511566279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824000, while the sum is 61.

The spelling of 5266511566279 in words is "five trillion, two hundred sixty-six billion, five hundred eleven million, five hundred sixty-six thousand, two hundred seventy-nine".