13111322999993 has 2 divisors, whose sum is σ = 13111322999994. Its totient is φ = 13111322999992.

The previous prime is 13111322999947. The next prime is 13111323000049. The reversal of 13111322999993 is 39999922311131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10452114418729 + 2659208581264 = 3232973^2 + 1630708^2 .

It is an emirp because it is prime and its reverse (39999922311131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13111322999993 - 2²⁸ = 13111054564537 is a prime.

It is not a weakly prime, because it can be changed into another prime (13111322959993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555661499996 + 6555661499997.

It is an arithmetic number, because the mean of its divisors is an integer number (6555661499997).

Almost surely, 2^{13111322999993} is an apocalyptic number.

It is an amenable number.

13111322999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111322999993 is an equidigital number, since it uses as much as digits as its factorization.

13111322999993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6377292, while the sum is 62.

The spelling of 13111322999993 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred ninety-three".