13809380111 has 2 divisors, whose sum is σ = 13809380112. Its totient is φ = 13809380110.

The previous prime is 13809380107. The next prime is 13809380171. The reversal of 13809380111 is 11108390831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13809380111 - 2² = 13809380107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13809380171) 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, 6904690055 + 6904690056.

It is an arithmetic number, because the mean of its divisors is an integer number (6904690056).

Almost surely, 2^13809380111 is an apocalyptic number.

13809380111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13809380111 is an equidigital number, since it uses as much as digits as its factorization.

13809380111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 13809380111 in words is "thirteen billion, eight hundred nine million, three hundred eighty thousand, one hundred eleven".