2551115124 has 36 divisors (see below), whose sum is σ = 6511269856. Its totient is φ = 842114448.

The previous prime is 2551115113. The next prime is 2551115153. The reversal of 2551115124 is 4215111552.

It is a happy number.

2551115124 is a `hidden beast` number, since 25 + 511 + 1 + 5 + 124 = 666.

2551115124 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340294 + ... + 347709.

Almost surely, 2^2551115124 is an apocalyptic number.

It is an amenable number.

2551115124 is an abundant number, since it is smaller than the sum of its proper divisors (3960154732).

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

2551115124 is a wasteful number, since it uses less digits than its factorization.

2551115124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688116 (or 688111 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2551115124 is about 50508.5648578536. The cubic root of 2551115124 is about 1366.3963266453.

Adding to 2551115124 its reverse (4215111552), we get a palindrome (6766226676).

The spelling of 2551115124 in words is "two billion, five hundred fifty-one million, one hundred fifteen thousand, one hundred twenty-four".