512105325216 has 48 divisors (see below), whose sum is σ = 1350647510688. Its totient is φ = 169892755200.

The previous prime is 512105325161. The next prime is 512105325223. The reversal of 512105325216 is 612523501215.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×512105325216² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12620575 + ... + 12661086.

It is an arithmetic number, because the mean of its divisors is an integer number (28138489806).

Almost surely, 2^512105325216 is an apocalyptic number.

It is an amenable number.

512105325216 is an abundant number, since it is smaller than the sum of its proper divisors (838542185472).

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

512105325216 is a wasteful number, since it uses less digits than its factorization.

512105325216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281885 (or 25281877 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 512105325216 in words is "five hundred twelve billion, one hundred five million, three hundred twenty-five thousand, two hundred sixteen".