515112345016768 has 28 divisors (see below), whose sum is σ = 1035114997116640. Its totient is φ = 254295967790592.

The previous prime is 515112345016729. The next prime is 515112345016859. The reversal of 515112345016768 is 867610543211515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50940693621 + ... + 50940703732.

Almost surely, 2^{515112345016768} is an apocalyptic number.

It is an amenable number.

515112345016768 is an abundant number, since it is smaller than the sum of its proper divisors (520002652099872).

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

515112345016768 is a wasteful number, since it uses less digits than its factorization.

515112345016768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101881397444 (or 101881397434 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 515112345016768 in words is "five hundred fifteen trillion, one hundred twelve billion, three hundred forty-five million, sixteen thousand, seven hundred sixty-eight".