512751771020 has 12 divisors (see below), whose sum is σ = 1076778719184. Its totient is φ = 205100708400.

The previous prime is 512751771017. The next prime is 512751771029. The reversal of 512751771020 is 20177157215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (512751771029) 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, 12818794256 + ... + 12818794295.

It is an arithmetic number, because the mean of its divisors is an integer number (89731559932).

Almost surely, 2^512751771020 is an apocalyptic number.

It is an amenable number.

512751771020 is an abundant number, since it is smaller than the sum of its proper divisors (564026948164).

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

512751771020 is a wasteful number, since it uses less digits than its factorization.

512751771020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25637588560 (or 25637588558 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 38.

The spelling of 512751771020 in words is "five hundred twelve billion, seven hundred fifty-one million, seven hundred seventy-one thousand, twenty".