513512344552 has 16 divisors (see below), whose sum is σ = 962866944000. Its totient is φ = 256747826160.

The previous prime is 513512344547. The next prime is 513512344643. The reversal of 513512344552 is 255443215315.

It is an unprimeable number.

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, 777802 + ... + 1277497.

It is an arithmetic number, because the mean of its divisors is an integer number (60179184000).

Almost surely, 2^513512344552 is an apocalyptic number.

It is an amenable number.

513512344552 is a deficient number, since it is larger than the sum of its proper divisors (449354599448).

513512344552 is a wasteful number, since it uses less digits than its factorization.

513512344552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086536 (or 2086532 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

Adding to 513512344552 its reverse (255443215315), we get a palindrome (768955559867).

The spelling of 513512344552 in words is "five hundred thirteen billion, five hundred twelve million, three hundred forty-four thousand, five hundred fifty-two".