5115210856 has 128 divisors (see below), whose sum is σ = 12322252800. Its totient is φ = 1939956480.

The previous prime is 5115210811. The next prime is 5115210887. The reversal of 5115210856 is 6580125115.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1049866 + ... + 1054726.

It is an arithmetic number, because the mean of its divisors is an integer number (96267600).

Almost surely, 2^5115210856 is an apocalyptic number.

5115210856 is a gapful number since it is divisible by the number (56) 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 5115210856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6161126400).

5115210856 is an abundant number, since it is smaller than the sum of its proper divisors (7207041944).

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

5115210856 is a wasteful number, since it uses less digits than its factorization.

5115210856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 34.

The square root of 5115210856 is about 71520.7022896168. The cubic root of 5115210856 is about 1723.0101938644.

The spelling of 5115210856 in words is "five billion, one hundred fifteen million, two hundred ten thousand, eight hundred fifty-six".