11140311443447 has 2 divisors, whose sum is σ = 11140311443448. Its totient is φ = 11140311443446.

The previous prime is 11140311443431. The next prime is 11140311443477. The reversal of 11140311443447 is 74434411304111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11140311443447 - 2⁴ = 11140311443431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11140311443447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11140311443407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570155721723 + 5570155721724.

It is an arithmetic number, because the mean of its divisors is an integer number (5570155721724).

Almost surely, 2^{11140311443447} is an apocalyptic number.

11140311443447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140311443447 is an equidigital number, since it uses as much as digits as its factorization.

11140311443447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 11140311443447 its reverse (74434411304111), we get a palindrome (85574722747558).

The spelling of 11140311443447 in words is "eleven trillion, one hundred forty billion, three hundred eleven million, four hundred forty-three thousand, four hundred forty-seven".