516252051505042 has 8 divisors (see below), whose sum is σ = 774379627646796. Its totient is φ = 258125508956112.

The previous prime is 516252051504997. The next prime is 516252051505067. The reversal of 516252051505042 is 240505150252615.

It can be written as a sum of positive squares in 2 ways, for example, as 361661845073281 + 154590206431761 = 19017409^2 + 12433431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 516252051505042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257148313 + ... + 259148140.

Almost surely, 2^{516252051505042} is an apocalyptic number.

516252051505042 is a deficient number, since it is larger than the sum of its proper divisors (258127576141754).

516252051505042 is a wasteful number, since it uses less digits than its factorization.

516252051505042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516796412.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 516252051505042 in words is "five hundred sixteen trillion, two hundred fifty-two billion, fifty-one million, five hundred five thousand, forty-two".