13605255216 has 120 divisors (see below), whose sum is σ = 45805560320. Its totient is φ = 3682620288.

The previous prime is 13605255151. The next prime is 13605255217. The reversal of 13605255216 is 61255250631.

13605255216 is a `hidden beast` number, since 1 + 3 + 605 + 25 + 5 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13605255217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336040 + ... + 374343.

Almost surely, 2^13605255216 is an apocalyptic number.

13605255216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13605255216 is an abundant number, since it is smaller than the sum of its proper divisors (32200305104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13605255216 is a wasteful number, since it uses less digits than its factorization.

13605255216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710423 (or 710414 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 13605255216 in words is "thirteen billion, six hundred five million, two hundred fifty-five thousand, two hundred sixteen".