13305345055 has 8 divisors (see below), whose sum is σ = 15967184112. Its totient is φ = 10643762688.

The previous prime is 13305344993. The next prime is 13305345083. The reversal of 13305345055 is 55054350331.

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 13305345055 - 2¹⁵ = 13305312287 is a prime.

It is a super-2 number, since 2×13305345055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13305345055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78847 + ... + 181183.

It is an arithmetic number, because the mean of its divisors is an integer number (1995898014).

Almost surely, 2^13305345055 is an apocalyptic number.

13305345055 is a deficient number, since it is larger than the sum of its proper divisors (2661839057).

13305345055 is a wasteful number, since it uses less digits than its factorization.

13305345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128345.

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 13305345055 its reverse (55054350331), we get a palindrome (68359695386).

The spelling of 13305345055 in words is "thirteen billion, three hundred five million, three hundred forty-five thousand, fifty-five".