13265516027 has 2 divisors, whose sum is σ = 13265516028. Its totient is φ = 13265516026.

The previous prime is 13265515997. The next prime is 13265516071. The reversal of 13265516027 is 72061556231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13265516027 - 2²⁰ = 13264467451 is a prime.

It is not a weakly prime, because it can be changed into another prime (13265516827) 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, 6632758013 + 6632758014.

It is an arithmetic number, because the mean of its divisors is an integer number (6632758014).

Almost surely, 2^13265516027 is an apocalyptic number.

13265516027 is a deficient number, since it is larger than the sum of its proper divisors (1).

13265516027 is an equidigital number, since it uses as much as digits as its factorization.

13265516027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 13265516027 in words is "thirteen billion, two hundred sixty-five million, five hundred sixteen thousand, twenty-seven".