512065209128 has 16 divisors (see below), whose sum is σ = 1047406109760. Its totient is φ = 232756913200.

The previous prime is 512065209127. The next prime is 512065209157. The reversal of 512065209128 is 821902560215.

It is not an unprimeable number, because it can be changed into a prime (512065209121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909461328 + ... + 2909461503.

It is an arithmetic number, because the mean of its divisors is an integer number (65462881860).

Almost surely, 2^512065209128 is an apocalyptic number.

It is an amenable number.

512065209128 is an abundant number, since it is smaller than the sum of its proper divisors (535340900632).

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

512065209128 is a wasteful number, since it uses less digits than its factorization.

512065209128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818922848 (or 5818922844 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 512065209128 in words is "five hundred twelve billion, sixty-five million, two hundred nine thousand, one hundred twenty-eight".