13005555505 has 8 divisors (see below), whose sum is σ = 16285217472. Its totient is φ = 9952077168.

The previous prime is 13005555503. The next prime is 13005555517. The reversal of 13005555505 is 50555550031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13005555505 - 2¹ = 13005555503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13005555503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56545779 + ... + 56546008.

It is an arithmetic number, because the mean of its divisors is an integer number (2035652184).

Almost surely, 2^13005555505 is an apocalyptic number.

It is an amenable number.

13005555505 is a deficient number, since it is larger than the sum of its proper divisors (3279661967).

13005555505 is a wasteful number, since it uses less digits than its factorization.

13005555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113091815.

The product of its (nonzero) digits is 46875, while the sum is 34.

The spelling of 13005555505 in words is "thirteen billion, five million, five hundred fifty-five thousand, five hundred five".