11143340512009 has 2 divisors, whose sum is σ = 11143340512010. Its totient is φ = 11143340512008.

The previous prime is 11143340511907. The next prime is 11143340512079. The reversal of 11143340512009 is 90021504334111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9775252371600 + 1368088140409 = 3126540^2 + 1169653^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143340512009 - 2⁷ = 11143340511881 is a prime.

It is not a weakly prime, because it can be changed into another prime (11143340512079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571670256004 + 5571670256005.

It is an arithmetic number, because the mean of its divisors is an integer number (5571670256005).

Almost surely, 2^{11143340512009} is an apocalyptic number.

It is an amenable number.

11143340512009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143340512009 is an equidigital number, since it uses as much as digits as its factorization.

11143340512009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11143340512009 in words is "eleven trillion, one hundred forty-three billion, three hundred forty million, five hundred twelve thousand, nine".