12055331055 has 32 divisors (see below), whose sum is σ = 19626105600. Its totient is φ = 6317103872.

The previous prime is 12055331039. The next prime is 12055331087. The reversal of 12055331055 is 55013355021.

It is a cyclic number.

It is not a de Polignac number, because 12055331055 - 2⁴ = 12055331039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066331 + ... + 3070259.

It is an arithmetic number, because the mean of its divisors is an integer number (613315800).

Almost surely, 2^12055331055 is an apocalyptic number.

12055331055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12055331055 is a deficient number, since it is larger than the sum of its proper divisors (7570774545).

12055331055 is a wasteful number, since it uses less digits than its factorization.

12055331055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 12055331055 its reverse (55013355021), we get a palindrome (67068686076).

The spelling of 12055331055 in words is "twelve billion, fifty-five million, three hundred thirty-one thousand, fifty-five".