12443355055 has 16 divisors (see below), whose sum is σ = 15010646400. Its totient is φ = 9902350080.

The previous prime is 12443355049. The next prime is 12443355073. The reversal of 12443355055 is 55055334421.

It is not a de Polignac number, because 12443355055 - 2²⁹ = 11906484143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471690 + ... + 1480120.

It is an arithmetic number, because the mean of its divisors is an integer number (938165400).

Almost surely, 2^12443355055 is an apocalyptic number.

12443355055 is a deficient number, since it is larger than the sum of its proper divisors (2567291345).

12443355055 is a wasteful number, since it uses less digits than its factorization.

12443355055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 12443355055 its reverse (55055334421), we get a palindrome (67498689476).

The spelling of 12443355055 in words is "twelve billion, four hundred forty-three million, three hundred fifty-five thousand, fifty-five".