12344556788889 has 16 divisors (see below), whose sum is σ = 18297308327424. Its totient is φ = 7351597094400.

The previous prime is 12344556788887. The next prime is 12344556788969. The reversal of 12344556788889 is 98888765544321.

It is not a de Polignac number, because 12344556788889 - 2¹ = 12344556788887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12344556788887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5105274552 + ... + 5105276969.

It is an arithmetic number, because the mean of its divisors is an integer number (1143581770464).

Almost surely, 2^{12344556788889} is an apocalyptic number.

It is an amenable number.

12344556788889 is a deficient number, since it is larger than the sum of its proper divisors (5952751538535).

12344556788889 is a wasteful number, since it uses less digits than its factorization.

12344556788889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210551568.

The product of its digits is 3715891200, while the sum is 78.

The spelling of 12344556788889 in words is "twelve trillion, three hundred forty-four billion, five hundred fifty-six million, seven hundred eighty-eight thousand, eight hundred eighty-nine".