11311238062109 has 2 divisors, whose sum is σ = 11311238062110. Its totient is φ = 11311238062108.

The previous prime is 11311238062079. The next prime is 11311238062141. The reversal of 11311238062109 is 90126083211311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11264850379225 + 46387682884 = 3356315^2 + 215378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311238062109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311238062169) 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, 5655619031054 + 5655619031055.

It is an arithmetic number, because the mean of its divisors is an integer number (5655619031055).

Almost surely, 2^{11311238062109} is an apocalyptic number.

It is an amenable number.

11311238062109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311238062109 is an equidigital number, since it uses as much as digits as its factorization.

11311238062109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 11311238062109 in words is "eleven trillion, three hundred eleven billion, two hundred thirty-eight million, sixty-two thousand, one hundred nine".