13111342663 has 4 divisors (see below), whose sum is σ = 13132121968. Its totient is φ = 13090563360.

The previous prime is 13111342631. The next prime is 13111342669. The reversal of 13111342663 is 36624311131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13111342663 - 2⁵ = 13111342631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111342669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10388706 + ... + 10389967.

It is an arithmetic number, because the mean of its divisors is an integer number (3283030492).

Almost surely, 2^13111342663 is an apocalyptic number.

13111342663 is a deficient number, since it is larger than the sum of its proper divisors (20779305).

13111342663 is an equidigital number, since it uses as much as digits as its factorization.

13111342663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779304.

The product of its digits is 7776, while the sum is 31.

Adding to 13111342663 its reverse (36624311131), we get a palindrome (49735653794).

The spelling of 13111342663 in words is "thirteen billion, one hundred eleven million, three hundred forty-two thousand, six hundred sixty-three".