512053556645 has 16 divisors (see below), whose sum is σ = 642352360320. Its totient is φ = 391115909184.

The previous prime is 512053556627. The next prime is 512053556681. The reversal of 512053556645 is 546655350215.

It is a cyclic number.

It is not a de Polignac number, because 512053556645 - 2³⁸ = 237175649701 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 512053556645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4007150 + ... + 4132959.

It is an arithmetic number, because the mean of its divisors is an integer number (40147022520).

Almost surely, 2^512053556645 is an apocalyptic number.

It is an amenable number.

512053556645 is a deficient number, since it is larger than the sum of its proper divisors (130298803675).

512053556645 is a wasteful number, since it uses less digits than its factorization.

512053556645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140684.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 512053556645 in words is "five hundred twelve billion, fifty-three million, five hundred fifty-six thousand, six hundred forty-five".