5120899056 has 300 divisors, whose sum is σ = 18570420792. Its totient is φ = 1350349056.

The previous prime is 5120899051. The next prime is 5120899067. The reversal of 5120899056 is 6509980215.

5120899056 is a `hidden beast` number, since 512 + 0 + 89 + 9 + 0 + 56 = 666.

It is a super-2 number, since 2×5120899056² = 52447214283483382272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120899051) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 822451 + ... + 828653.

Almost surely, 2^5120899056 is an apocalyptic number.

5120899056 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 5120899056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9285210396).

5120899056 is an abundant number, since it is smaller than the sum of its proper divisors (13449521736).

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

5120899056 is a wasteful number, since it uses less digits than its factorization.

5120899056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250 (or 6228 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 5120899056 is about 71560.4573490136. The cubic root of 5120899056 is about 1723.6486293209.

The spelling of 5120899056 in words is "five billion, one hundred twenty million, eight hundred ninety-nine thousand, fifty-six".