13111315747 has 2 divisors, whose sum is σ = 13111315748. Its totient is φ = 13111315746.

The previous prime is 13111315733. The next prime is 13111315751. The reversal of 13111315747 is 74751311131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13111315747 - 2⁷ = 13111315619 is a prime.

It is not a weakly prime, because it can be changed into another prime (13111115747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555657873 + 6555657874.

It is an arithmetic number, because the mean of its divisors is an integer number (6555657874).

Almost surely, 2^13111315747 is an apocalyptic number.

13111315747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111315747 is an equidigital number, since it uses as much as digits as its factorization.

13111315747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 34.

Adding to 13111315747 its reverse (74751311131), we get a palindrome (87862626878).

The spelling of 13111315747 in words is "thirteen billion, one hundred eleven million, three hundred fifteen thousand, seven hundred forty-seven".