12355505055 has 48 divisors (see below), whose sum is σ = 22694559264. Its totient is φ = 6196899840.

The previous prime is 12355505047. The next prime is 12355505059. The reversal of 12355505055 is 55050555321.

12355505055 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 550 + 50 + 55 = 666.

12355505055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12355505055 - 2³ = 12355505047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355505059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035232 + ... + 1047098.

It is an arithmetic number, because the mean of its divisors is an integer number (472803318).

Almost surely, 2^12355505055 is an apocalyptic number.

12355505055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12355505055 is a deficient number, since it is larger than the sum of its proper divisors (10339054209).

12355505055 is a wasteful number, since it uses less digits than its factorization.

12355505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256 (or 13253 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 12355505055 in words is "twelve billion, three hundred fifty-five million, five hundred five thousand, fifty-five".