512311923970 has 64 divisors (see below), whose sum is σ = 1176445264896. Its totient is φ = 155968102080.

The previous prime is 512311923961. The next prime is 512311923983. The reversal of 512311923970 is 79329113215.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7703404 + ... + 7769623.

It is an arithmetic number, because the mean of its divisors is an integer number (18381957264).

Almost surely, 2^512311923970 is an apocalyptic number.

512311923970 is an abundant number, since it is smaller than the sum of its proper divisors (664133340926).

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

512311923970 is a wasteful number, since it uses less digits than its factorization.

512311923970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473095.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 512311923970 in words is "five hundred twelve billion, three hundred eleven million, nine hundred twenty-three thousand, nine hundred seventy".