12551116244 has 48 divisors (see below), whose sum is σ = 22652883456. Its totient is φ = 6082300800.

The previous prime is 12551116243. The next prime is 12551116297. The reversal of 12551116244 is 44261115521.

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 12551116244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551116243) 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, 12292454 + ... + 12293474.

It is an arithmetic number, because the mean of its divisors is an integer number (471935072).

Almost surely, 2^12551116244 is an apocalyptic number.

It is an amenable number.

12551116244 is a deficient number, since it is larger than the sum of its proper divisors (10101767212).

12551116244 is a wasteful number, since it uses less digits than its factorization.

12551116244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1774 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 12551116244 in words is "twelve billion, five hundred fifty-one million, one hundred sixteen thousand, two hundred forty-four".