512856113616 has 120 divisors (see below), whose sum is σ = 1789446045504. Its totient is φ = 133209377280.

The previous prime is 512856113599. The next prime is 512856113641. The reversal of 512856113616 is 616311658215.

It is a happy number.

512856113616 is a `hidden beast` number, since 5 + 1 + 28 + 5 + 6 + 1 + 1 + 3 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23115541 + ... + 23137716.

Almost surely, 2^512856113616 is an apocalyptic number.

512856113616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

512856113616 is an abundant number, since it is smaller than the sum of its proper divisors (1276589931888).

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

512856113616 is a wasteful number, since it uses less digits than its factorization.

512856113616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46253289 (or 46253280 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 512856113616 in words is "five hundred twelve billion, eight hundred fifty-six million, one hundred thirteen thousand, six hundred sixteen".