512206145256 has 64 divisors (see below), whose sum is σ = 1379433585600. Its totient is φ = 157554229248.

The previous prime is 512206145197. The next prime is 512206145357. The reversal of 512206145256 is 652541602215.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 792075 + ... + 1285221.

It is an arithmetic number, because the mean of its divisors is an integer number (21553649775).

Almost surely, 2^512206145256 is an apocalyptic number.

It is an amenable number.

512206145256 is an abundant number, since it is smaller than the sum of its proper divisors (867227440344).

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

512206145256 is a wasteful number, since it uses less digits than its factorization.

512206145256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496498 (or 496494 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 512206145256 in words is "five hundred twelve billion, two hundred six million, one hundred forty-five thousand, two hundred fifty-six".