13260635511797 has 2 divisors, whose sum is σ = 13260635511798. Its totient is φ = 13260635511796.

The previous prime is 13260635511793. The next prime is 13260635511911. The reversal of 13260635511797 is 79711553606231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13171970921041 + 88664590756 = 3629321^2 + 297766^2 .

It is an emirp because it is prime and its reverse (79711553606231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13260635511797 - 2² = 13260635511793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13260635511793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630317755898 + 6630317755899.

It is an arithmetic number, because the mean of its divisors is an integer number (6630317755899).

Almost surely, 2^{13260635511797} is an apocalyptic number.

It is an amenable number.

13260635511797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260635511797 is an equidigital number, since it uses as much as digits as its factorization.

13260635511797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The spelling of 13260635511797 in words is "thirteen trillion, two hundred sixty billion, six hundred thirty-five million, five hundred eleven thousand, seven hundred ninety-seven".