512311717744 has 20 divisors (see below), whose sum is σ = 992618623600. Its totient is φ = 256152072960.

The previous prime is 512311717741. The next prime is 512311717747. The reversal of 512311717744 is 447717113215.

It is an interprime number because it is at equal distance from previous prime (512311717741) and next prime (512311717747).

It is a super-2 number, since 2×512311717744² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 512311717744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512311717741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113064 + ... + 1504504.

It is an arithmetic number, because the mean of its divisors is an integer number (49630931180).

Almost surely, 2^512311717744 is an apocalyptic number.

It is an amenable number.

512311717744 is a deficient number, since it is larger than the sum of its proper divisors (480306905856).

512311717744 is a wasteful number, since it uses less digits than its factorization.

512311717744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473248 (or 473242 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The spelling of 512311717744 in words is "five hundred twelve billion, three hundred eleven million, seven hundred seventeen thousand, seven hundred forty-four".