13112011292909 has 2 divisors, whose sum is σ = 13112011292910. Its totient is φ = 13112011292908.

The previous prime is 13112011292881. The next prime is 13112011292911. The reversal of 13112011292909 is 90929211021131.

13112011292909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8645234717284 + 4466776575625 = 2940278^2 + 2113475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112011292909 is a prime.

Together with 13112011292911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112011292959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556005646454 + 6556005646455.

It is an arithmetic number, because the mean of its divisors is an integer number (6556005646455).

Almost surely, 2^{13112011292909} is an apocalyptic number.

It is an amenable number.

13112011292909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112011292909 is an equidigital number, since it uses as much as digits as its factorization.

13112011292909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 13112011292909 in words is "thirteen trillion, one hundred twelve billion, eleven million, two hundred ninety-two thousand, nine hundred nine".