512505445553345 has 32 divisors (see below), whose sum is σ = 640798905600000. Its totient is φ = 393013304006400.

The previous prime is 512505445553329. The next prime is 512505445553357. The reversal of 512505445553345 is 543355544505215.

It is not a de Polignac number, because 512505445553345 - 2⁴ = 512505445553329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2675460320 + ... + 2675651870.

It is an arithmetic number, because the mean of its divisors is an integer number (20024965800000).

Almost surely, 2^{512505445553345} is an apocalyptic number.

It is an amenable number.

512505445553345 is a deficient number, since it is larger than the sum of its proper divisors (128293460046655).

512505445553345 is a wasteful number, since it uses less digits than its factorization.

512505445553345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324473.

The product of its (nonzero) digits is 90000000, while the sum is 56.

The spelling of 512505445553345 in words is "five hundred twelve trillion, five hundred five billion, four hundred forty-five million, five hundred fifty-three thousand, three hundred forty-five".