13356550565 has 16 divisors (see below), whose sum is σ = 17365347648. Its totient is φ = 9822817536.

The previous prime is 13356550541. The next prime is 13356550577. The reversal of 13356550565 is 56505565331.

It is a cyclic number.

It is not a de Polignac number, because 13356550565 - 2¹⁶ = 13356485029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823507 + ... + 1830816.

It is an arithmetic number, because the mean of its divisors is an integer number (1085334228).

Almost surely, 2^13356550565 is an apocalyptic number.

It is an amenable number.

13356550565 is a deficient number, since it is larger than the sum of its proper divisors (4008797083).

13356550565 is a wasteful number, since it uses less digits than its factorization.

13356550565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654388.

The product of its (nonzero) digits is 1012500, while the sum is 44.

The spelling of 13356550565 in words is "thirteen billion, three hundred fifty-six million, five hundred fifty thousand, five hundred sixty-five".