12555114144244 has 48 divisors (see below), whose sum is σ = 27986632168320. Its totient is φ = 4797708364800.

The previous prime is 12555114144233. The next prime is 12555114144281. The reversal of 12555114144244 is 44244141155521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12555114144244.

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, 694103857 + ... + 694121944.

It is an arithmetic number, because the mean of its divisors is an integer number (583054836840).

Almost surely, 2^{12555114144244} is an apocalyptic number.

12555114144244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12555114144244 is an abundant number, since it is smaller than the sum of its proper divisors (15431518024076).

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

12555114144244 is a wasteful number, since it uses less digits than its factorization.

12555114144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388225848 (or 1388225846 counting only the distinct ones).

The product of its digits is 512000, while the sum is 43.

Adding to 12555114144244 its reverse (44244141155521), we get a palindrome (56799255299765).

The spelling of 12555114144244 in words is "twelve trillion, five hundred fifty-five billion, one hundred fourteen million, one hundred forty-four thousand, two hundred forty-four".