513626343120113 has 4 divisors (see below), whose sum is σ = 513626687070180. Its totient is φ = 513625999170048.

The previous prime is 513626343120109. The next prime is 513626343120119. The reversal of 513626343120113 is 311021343626315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 369493280395264 + 144133062724849 = 19222208^2 + 12005543^2 .

It is a cyclic number.

It is not a de Polignac number, because 513626343120113 - 2² = 513626343120109 is a prime.

It is a super-3 number, since 3×513626343120113³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513626343120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169725248 + ... + 172724961.

It is an arithmetic number, because the mean of its divisors is an integer number (128406671767545).

Almost surely, 2^{513626343120113} is an apocalyptic number.

It is an amenable number.

513626343120113 is a deficient number, since it is larger than the sum of its proper divisors (343950067).

513626343120113 is a wasteful number, since it uses less digits than its factorization.

513626343120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343950066.

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 513626343120113 its reverse (311021343626315), we get a palindrome (824647686746428).

The spelling of 513626343120113 in words is "five hundred thirteen trillion, six hundred twenty-six billion, three hundred forty-three million, one hundred twenty thousand, one hundred thirteen".