13515323453351 has 2 divisors, whose sum is σ = 13515323453352. Its totient is φ = 13515323453350.

The previous prime is 13515323453323. The next prime is 13515323453363. The reversal of 13515323453351 is 15335432351531.

13515323453351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13515323453351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13515323353351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6757661726675 + 6757661726676.

It is an arithmetic number, because the mean of its divisors is an integer number (6757661726676).

Almost surely, 2^{13515323453351} is an apocalyptic number.

13515323453351 is a deficient number, since it is larger than the sum of its proper divisors (1).

13515323453351 is an equidigital number, since it uses as much as digits as its factorization.

13515323453351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 44.

The spelling of 13515323453351 in words is "thirteen trillion, five hundred fifteen billion, three hundred twenty-three million, four hundred fifty-three thousand, three hundred fifty-one".