11331103447 has 2 divisors, whose sum is σ = 11331103448. Its totient is φ = 11331103446.

The previous prime is 11331103423. The next prime is 11331103453. The reversal of 11331103447 is 74430113311.

It is a strong prime.

It is an emirp because it is prime and its reverse (74430113311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331103447 - 2¹¹ = 11331101399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331100447) 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, 5665551723 + 5665551724.

It is an arithmetic number, because the mean of its divisors is an integer number (5665551724).

Almost surely, 2^11331103447 is an apocalyptic number.

11331103447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331103447 is an equidigital number, since it uses as much as digits as its factorization.

11331103447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 11331103447 its reverse (74430113311), we get a palindrome (85761216758).

The spelling of 11331103447 in words is "eleven billion, three hundred thirty-one million, one hundred three thousand, four hundred forty-seven".