513243203552 has 24 divisors (see below), whose sum is σ = 1021800906000. Its totient is φ = 253738211584.

The previous prime is 513243203533. The next prime is 513243203573. The reversal of 513243203552 is 255302342315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90103052 + ... + 90108747.

It is an arithmetic number, because the mean of its divisors is an integer number (42575037750).

Almost surely, 2^513243203552 is an apocalyptic number.

It is an amenable number.

513243203552 is a deficient number, since it is larger than the sum of its proper divisors (508557702448).

513243203552 is a wasteful number, since it uses less digits than its factorization.

513243203552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180211898 (or 180211890 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 513243203552 its reverse (255302342315), we get a palindrome (768545545867).

The spelling of 513243203552 in words is "five hundred thirteen billion, two hundred forty-three million, two hundred three thousand, five hundred fifty-two".