512128860542 has 16 divisors (see below), whose sum is σ = 831484507392. Its totient is φ = 235167330720.

The previous prime is 512128860527. The next prime is 512128860601. The reversal of 512128860542 is 245068821215.

It is a junction number, because it is equal to n+sod(n) for n = 512128860493 and 512128860502.

It is a congruent number.

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, 49987934 + ... + 49998177.

It is an arithmetic number, because the mean of its divisors is an integer number (51967781712).

Almost surely, 2^512128860542 is an apocalyptic number.

512128860542 is a deficient number, since it is larger than the sum of its proper divisors (319355646850).

512128860542 is a wasteful number, since it uses less digits than its factorization.

512128860542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99986323.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 512128860542 in words is "five hundred twelve billion, one hundred twenty-eight million, eight hundred sixty thousand, five hundred forty-two".