13311543727 has 2 divisors, whose sum is σ = 13311543728. Its totient is φ = 13311543726.

The previous prime is 13311543703. The next prime is 13311543743. The reversal of 13311543727 is 72734511331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13311543727 - 2⁷ = 13311543599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311543527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655771863 + 6655771864.

It is an arithmetic number, because the mean of its divisors is an integer number (6655771864).

Almost surely, 2^13311543727 is an apocalyptic number.

13311543727 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311543727 is an equidigital number, since it uses as much as digits as its factorization.

13311543727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The spelling of 13311543727 in words is "thirteen billion, three hundred eleven million, five hundred forty-three thousand, seven hundred twenty-seven".