13112776009 has 2 divisors, whose sum is σ = 13112776010. Its totient is φ = 13112776008.

The previous prime is 13112775959. The next prime is 13112776013. The reversal of 13112776009 is 90067721131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13058089984 + 54686025 = 114272^2 + 7395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112776009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112776309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556388004 + 6556388005.

It is an arithmetic number, because the mean of its divisors is an integer number (6556388005).

Almost surely, 2^13112776009 is an apocalyptic number.

It is an amenable number.

13112776009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112776009 is an equidigital number, since it uses as much as digits as its factorization.

13112776009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 13112776009 in words is "thirteen billion, one hundred twelve million, seven hundred seventy-six thousand, nine".