5051812500 has 252 divisors, whose sum is σ = 18256641312. Its totient is φ = 1153800000.

The previous prime is 5051812471. The next prime is 5051812517. The reversal of 5051812500 is 52181505.

It is a tau number, because it is divible by the number of its divisors (252).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3936859 + ... + 3938141.

Almost surely, 2^5051812500 is an apocalyptic number.

5051812500 is a gapful number since it is divisible by the number (50) 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 5051812500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9128320656).

5051812500 is an abundant number, since it is smaller than the sum of its proper divisors (13204828812).

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

5051812500 is a wasteful number, since it uses less digits than its factorization.

5051812500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1300 counting only the distinct ones).

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

The square root of 5051812500 is about 71076.1035791918. The cubic root of 5051812500 is about 1715.8622030612.

The spelling of 5051812500 in words is "five billion, fifty-one million, eight hundred twelve thousand, five hundred".