515056932456 has 128 divisors (see below), whose sum is σ = 1467596067840. Its totient is φ = 149106355200.

The previous prime is 515056932449. The next prime is 515056932521. The reversal of 515056932456 is 654239650515.

It is a junction number, because it is equal to n+sod(n) for n = 515056932399 and 515056932408.

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, 4872096 + ... + 4976688.

It is an arithmetic number, because the mean of its divisors is an integer number (11465594280).

Almost surely, 2^515056932456 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 515056932456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733798033920).

515056932456 is an abundant number, since it is smaller than the sum of its proper divisors (952539135384).

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

515056932456 is a wasteful number, since it uses less digits than its factorization.

515056932456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105447 (or 105443 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 515056932456 in words is "five hundred fifteen billion, fifty-six million, nine hundred thirty-two thousand, four hundred fifty-six".