13111113073 has 2 divisors, whose sum is σ = 13111113074. Its totient is φ = 13111113072.

The previous prime is 13111113047. The next prime is 13111113149. The reversal of 13111113073 is 37031111131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12034748209 + 1076364864 = 109703^2 + 32808^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111113073 - 2⁹ = 13111112561 is a prime.

It is not a weakly prime, because it can be changed into another prime (13111113173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555556536 + 6555556537.

It is an arithmetic number, because the mean of its divisors is an integer number (6555556537).

Almost surely, 2^13111113073 is an apocalyptic number.

It is an amenable number.

13111113073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111113073 is an equidigital number, since it uses as much as digits as its factorization.

13111113073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The spelling of 13111113073 in words is "thirteen billion, one hundred eleven million, one hundred thirteen thousand, seventy-three".