513511205514234 has 16 divisors (see below), whose sum is σ = 1027245822528288. Its totient is φ = 171133166588112.

The previous prime is 513511205514133. The next prime is 513511205514257. The reversal of 513511205514234 is 432415502115315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9308782612 + ... + 9308837775.

It is an arithmetic number, because the mean of its divisors is an integer number (64202863908018).

Almost surely, 2^{513511205514234} is an apocalyptic number.

513511205514234 is an abundant number, since it is smaller than the sum of its proper divisors (513734617014054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513511205514234 is a wasteful number, since it uses less digits than its factorization.

513511205514234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18617624989.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 513511205514234 its reverse (432415502115315), we get a palindrome (945926707629549).

The spelling of 513511205514234 in words is "five hundred thirteen trillion, five hundred eleven billion, two hundred five million, five hundred fourteen thousand, two hundred thirty-four".