513050520111 has 8 divisors (see below), whose sum is σ = 698621985024. Its totient is φ = 334756367640.

The previous prime is 513050520109. The next prime is 513050520127. The reversal of 513050520111 is 111025050315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513050520111 - 2¹ = 513050520109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513050520811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819327945 + ... + 1819328226.

It is an arithmetic number, because the mean of its divisors is an integer number (87327748128).

Almost surely, 2^513050520111 is an apocalyptic number.

513050520111 is a deficient number, since it is larger than the sum of its proper divisors (185571464913).

513050520111 is a wasteful number, since it uses less digits than its factorization.

513050520111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638656221.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 513050520111 its reverse (111025050315), we get a palindrome (624075570426).

The spelling of 513050520111 in words is "five hundred thirteen billion, fifty million, five hundred twenty thousand, one hundred eleven".