2551112444 has 24 divisors (see below), whose sum is σ = 4711741440. Its totient is φ = 1205252784.

The previous prime is 2551112437. The next prime is 2551112479. The reversal of 2551112444 is 4442111552.

It is a happy number.

2551112444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14714 + ... + 72929.

It is an arithmetic number, because the mean of its divisors is an integer number (196322560).

Almost surely, 2^2551112444 is an apocalyptic number.

It is an amenable number.

2551112444 is a deficient number, since it is larger than the sum of its proper divisors (2160628996).

2551112444 is a wasteful number, since it uses less digits than its factorization.

2551112444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88049 (or 88047 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 2551112444 is about 50508.5383276927. The cubic root of 2551112444 is about 1366.3958481691.

Adding to 2551112444 its reverse (4442111552), we get a palindrome (6993223996).

The spelling of 2551112444 in words is "two billion, five hundred fifty-one million, one hundred twelve thousand, four hundred forty-four".