515305105213 has 8 divisors (see below), whose sum is σ = 542639779200. Its totient is φ = 487991766528.

The previous prime is 515305105171. The next prime is 515305105229. The reversal of 515305105213 is 312501503515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515305105213 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 (515305105253) 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, 5284228 + ... + 5380861.

It is an arithmetic number, because the mean of its divisors is an integer number (67829972400).

Almost surely, 2^515305105213 is an apocalyptic number.

It is an amenable number.

515305105213 is a deficient number, since it is larger than the sum of its proper divisors (27334673987).

515305105213 is a wasteful number, since it uses less digits than its factorization.

515305105213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667651.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 515305105213 its reverse (312501503515), we get a palindrome (827806608728).

The spelling of 515305105213 in words is "five hundred fifteen billion, three hundred five million, one hundred five thousand, two hundred thirteen".