13203551332513 has 2 divisors, whose sum is σ = 13203551332514. Its totient is φ = 13203551332512.

The previous prime is 13203551332453. The next prime is 13203551332571. The reversal of 13203551332513 is 31523315530231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9606732877729 + 3596818454784 = 3099473^2 + 1896528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13203551332513 is a prime.

It is not a weakly prime, because it can be changed into another prime (13203551332813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601775666256 + 6601775666257.

It is an arithmetic number, because the mean of its divisors is an integer number (6601775666257).

Almost surely, 2^{13203551332513} is an apocalyptic number.

It is an amenable number.

13203551332513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203551332513 is an equidigital number, since it uses as much as digits as its factorization.

13203551332513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 37.

Adding to 13203551332513 its reverse (31523315530231), we get a palindrome (44726866862744).

The spelling of 13203551332513 in words is "thirteen trillion, two hundred three billion, five hundred fifty-one million, three hundred thirty-two thousand, five hundred thirteen".