513317008511 has 4 divisors (see below), whose sum is σ = 514989051192. Its totient is φ = 511644965832.

The previous prime is 513317008447. The next prime is 513317008537. The reversal of 513317008511 is 115800713315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513317008511 - 2⁶ = 513317008447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513317008591) 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, 836020880 + ... + 836021493.

It is an arithmetic number, because the mean of its divisors is an integer number (128747262798).

Almost surely, 2^513317008511 is an apocalyptic number.

513317008511 is a deficient number, since it is larger than the sum of its proper divisors (1672042681).

513317008511 is a wasteful number, since it uses less digits than its factorization.

513317008511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672042680.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 513317008511 in words is "five hundred thirteen billion, three hundred seventeen million, eight thousand, five hundred eleven".