512243202655 has 4 divisors (see below), whose sum is σ = 614691843192. Its totient is φ = 409794562120.

The previous prime is 512243202599. The next prime is 512243202719. The reversal of 512243202655 is 556202342215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 512243202655 - 2³⁵ = 477883464287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51224320261 + ... + 51224320270.

It is an arithmetic number, because the mean of its divisors is an integer number (153672960798).

Almost surely, 2^512243202655 is an apocalyptic number.

512243202655 is a deficient number, since it is larger than the sum of its proper divisors (102448640537).

512243202655 is a wasteful number, since it uses less digits than its factorization.

512243202655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102448640536.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 512243202655 in words is "five hundred twelve billion, two hundred forty-three million, two hundred two thousand, six hundred fifty-five".