2551124520 has 192 divisors, whose sum is σ = 9590555520. Its totient is φ = 576041472.

The previous prime is 2551124491. The next prime is 2551124549. The reversal of 2551124520 is 254211552.

2551124520 is a `hidden beast` number, since 25 + 5 + 112 + 4 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (2551124491) and next prime (2551124549).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203062 + ... + 215258.

It is an arithmetic number, because the mean of its divisors is an integer number (49950810).

Almost surely, 2^2551124520 is an apocalyptic number.

2551124520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551124520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4795277760).

2551124520 is an abundant number, since it is smaller than the sum of its proper divisors (7039431000).

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

2551124520 is a wasteful number, since it uses less digits than its factorization.

2551124520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12304 (or 12297 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2551124520 is about 50508.6578716956. The cubic root of 2551124520 is about 1366.3980041658.

The spelling of 2551124520 in words is "two billion, five hundred fifty-one million, one hundred twenty-four thousand, five hundred twenty".