13365534223087 has 2 divisors, whose sum is σ = 13365534223088. Its totient is φ = 13365534223086.

The previous prime is 13365534223061. The next prime is 13365534223157. The reversal of 13365534223087 is 78032243556331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13365534223087 - 2⁴³ = 4569441200879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13365534223487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6682767111543 + 6682767111544.

It is an arithmetic number, because the mean of its divisors is an integer number (6682767111544).

Almost surely, 2^{13365534223087} is an apocalyptic number.

13365534223087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13365534223087 is an equidigital number, since it uses as much as digits as its factorization.

13365534223087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 13365534223087 in words is "thirteen trillion, three hundred sixty-five billion, five hundred thirty-four million, two hundred twenty-three thousand, eighty-seven".