516505142203144 has 32 divisors (see below), whose sum is σ = 1002703300128000. Its totient is φ = 249132909804352.

The previous prime is 516505142203111. The next prime is 516505142203181. The reversal of 516505142203144 is 441302241505615.

It is a self number, because there is not a number n which added to its sum of digits gives 516505142203144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956873464 + ... + 957413095.

It is an arithmetic number, because the mean of its divisors is an integer number (31334478129000).

Almost surely, 2^{516505142203144} is an apocalyptic number.

It is an amenable number.

516505142203144 is a deficient number, since it is larger than the sum of its proper divisors (486198157924856).

516505142203144 is a wasteful number, since it uses less digits than its factorization.

516505142203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914287757 (or 1914287753 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 516505142203144 its reverse (441302241505615), we get a palindrome (957807383708759).

The spelling of 516505142203144 in words is "five hundred sixteen trillion, five hundred five billion, one hundred forty-two million, two hundred three thousand, one hundred forty-four".