13515130718347 has 2 divisors, whose sum is σ = 13515130718348. Its totient is φ = 13515130718346.

The previous prime is 13515130718339. The next prime is 13515130718387. The reversal of 13515130718347 is 74381703151531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13515130718347 - 2³ = 13515130718339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13515130718347.

It is not a weakly prime, because it can be changed into another prime (13515130718387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6757565359173 + 6757565359174.

It is an arithmetic number, because the mean of its divisors is an integer number (6757565359174).

Almost surely, 2^{13515130718347} is an apocalyptic number.

13515130718347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13515130718347 is an equidigital number, since it uses as much as digits as its factorization.

13515130718347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 49.

Adding to 13515130718347 its reverse (74381703151531), we get a palindrome (87896833869878).

The spelling of 13515130718347 in words is "thirteen trillion, five hundred fifteen billion, one hundred thirty million, seven hundred eighteen thousand, three hundred forty-seven".