200643531255215 has 32 divisors (see below), whose sum is σ = 255502917527040. Its totient is φ = 150931248944256.

The previous prime is 200643531255197. The next prime is 200643531255259. The reversal of 200643531255215 is 512552135346002.

It is a cyclic number.

It is not a de Polignac number, because 200643531255215 - 2³⁶ = 200574811778479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517725704 + ... + 518113106.

It is an arithmetic number, because the mean of its divisors is an integer number (7984466172720).

Almost surely, 2^{200643531255215} is an apocalyptic number.

200643531255215 is a deficient number, since it is larger than the sum of its proper divisors (54859386271825).

200643531255215 is a wasteful number, since it uses less digits than its factorization.

200643531255215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463823.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 200643531255215 in words is "two hundred trillion, six hundred forty-three billion, five hundred thirty-one million, two hundred fifty-five thousand, two hundred fifteen".