2551151144 has 16 divisors (see below), whose sum is σ = 4784548500. Its totient is φ = 1275271552.

The previous prime is 2551151123. The next prime is 2551151149. The reversal of 2551151144 is 4411511552.

It can be written as a sum of positive squares in 2 ways, for example, as 2513819044 + 37332100 = 50138^2 + 6110^2 .

It is not an unprimeable number, because it can be changed into a prime (2551151149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 71430.

Almost surely, 2^2551151144 is an apocalyptic number.

It is an amenable number.

2551151144 is a deficient number, since it is larger than the sum of its proper divisors (2233397356).

2551151144 is a wasteful number, since it uses less digits than its factorization.

2551151144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76012 (or 76008 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 2551151144 is about 50508.9214297831. The cubic root of 2551151144 is about 1366.4027574754.

Adding to 2551151144 its reverse (4411511552), we get a palindrome (6962662696).

The spelling of 2551151144 in words is "two billion, five hundred fifty-one million, one hundred fifty-one thousand, one hundred forty-four".