2551112144 has 40 divisors (see below), whose sum is σ = 5652852480. Its totient is φ = 1092567168.

The previous prime is 2551112143. The next prime is 2551112219. The reversal of 2551112144 is 4412111552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551112143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170102 + ... + 184490.

It is an arithmetic number, because the mean of its divisors is an integer number (141321312).

Almost surely, 2^2551112144 is an apocalyptic number.

It is an amenable number.

2551112144 is an abundant number, since it is smaller than the sum of its proper divisors (3101740336).

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

2551112144 is a wasteful number, since it uses less digits than its factorization.

2551112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987 (or 15981 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 2551112144 is about 50508.5353578977. The cubic root of 2551112144 is about 1366.3957946083.

Adding to 2551112144 its reverse (4412111552), we get a palindrome (6963223696).

The spelling of 2551112144 in words is "two billion, five hundred fifty-one million, one hundred twelve thousand, one hundred forty-four".