13255005559 has 4 divisors (see below), whose sum is σ = 13339432504. Its totient is φ = 13170578616.

The previous prime is 13255005557. The next prime is 13255005563. The reversal of 13255005559 is 95550055231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95550055231 = 99667 ⋅958693.

It is a cyclic number.

It is not a de Polignac number, because 13255005559 - 2¹ = 13255005557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255005557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42213237 + ... + 42213550.

It is an arithmetic number, because the mean of its divisors is an integer number (3334858126).

Almost surely, 2^13255005559 is an apocalyptic number.

13255005559 is a deficient number, since it is larger than the sum of its proper divisors (84426945).

13255005559 is an equidigital number, since it uses as much as digits as its factorization.

13255005559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84426944.

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 13255005559 in words is "thirteen billion, two hundred fifty-five million, five thousand, five hundred fifty-nine".