15313543414513 has 2 divisors, whose sum is σ = 15313543414514. Its totient is φ = 15313543414512.

The previous prime is 15313543414487. The next prime is 15313543414517. The reversal of 15313543414513 is 31541434531351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12754733676129 + 2558809738384 = 3571377^2 + 1599628^2 .

It is a cyclic number.

It is not a de Polignac number, because 15313543414513 - 2²⁵ = 15313509860081 is a prime.

It is a super-2 number, since 2×15313543414513² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15313543414513.

It is not a weakly prime, because it can be changed into another prime (15313543414517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656771707256 + 7656771707257.

It is an arithmetic number, because the mean of its divisors is an integer number (7656771707257).

Almost surely, 2^{15313543414513} is an apocalyptic number.

It is an amenable number.

15313543414513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15313543414513 is an equidigital number, since it uses as much as digits as its factorization.

15313543414513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

Adding to 15313543414513 its reverse (31541434531351), we get a palindrome (46854977945864).

The spelling of 15313543414513 in words is "fifteen trillion, three hundred thirteen billion, five hundred forty-three million, four hundred fourteen thousand, five hundred thirteen".