515488884516 has 96 divisors (see below), whose sum is σ = 1372743482880. Its totient is φ = 167225474592.

The previous prime is 515488884497. The next prime is 515488884527. The reversal of 515488884516 is 615488884515.

515488884516 is a `hidden beast` number, since 5 + 1 + 548 + 8 + 8 + 84 + 5 + 1 + 6 = 666.

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, 171435 + ... + 1029741.

It is an arithmetic number, because the mean of its divisors is an integer number (14299411280).

Almost surely, 2^515488884516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515488884516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686371741440).

515488884516 is an abundant number, since it is smaller than the sum of its proper divisors (857254598364).

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

515488884516 is a wasteful number, since it uses less digits than its factorization.

515488884516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858470 (or 858462 counting only the distinct ones).

The product of its digits is 49152000, while the sum is 63.

Subtracting 515488884516 from its reverse (615488884515), we obtain a palindrome (99999999999).

The spelling of 515488884516 in words is "five hundred fifteen billion, four hundred eighty-eight million, eight hundred eighty-four thousand, five hundred sixteen".