512872105390 has 8 divisors (see below), whose sum is σ = 923169789720. Its totient is φ = 205148842152.

The previous prime is 512872105363. The next prime is 512872105399. The reversal of 512872105390 is 93501278215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512872105399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25643605260 + ... + 25643605279.

It is an arithmetic number, because the mean of its divisors is an integer number (115396223715).

Almost surely, 2^512872105390 is an apocalyptic number.

512872105390 is a deficient number, since it is larger than the sum of its proper divisors (410297684330).

512872105390 is a wasteful number, since it uses less digits than its factorization.

512872105390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51287210546.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 512872105390 in words is "five hundred twelve billion, eight hundred seventy-two million, one hundred five thousand, three hundred ninety".