515351143213 has 4 divisors (see below), whose sum is σ = 515398735168. Its totient is φ = 515303551260.

The previous prime is 515351143211. The next prime is 515351143289. The reversal of 515351143213 is 312341153515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 515351143213 - 2¹ = 515351143211 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 (515351143211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23779731 + ... + 23801392.

It is an arithmetic number, because the mean of its divisors is an integer number (128849683792).

Almost surely, 2^515351143213 is an apocalyptic number.

It is an amenable number.

515351143213 is a deficient number, since it is larger than the sum of its proper divisors (47591955).

515351143213 is a wasteful number, since it uses less digits than its factorization.

515351143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47591954.

The product of its digits is 27000, while the sum is 34.

Adding to 515351143213 its reverse (312341153515), we get a palindrome (827692296728).

The spelling of 515351143213 in words is "five hundred fifteen billion, three hundred fifty-one million, one hundred forty-three thousand, two hundred thirteen".