11011100047 has 2 divisors, whose sum is σ = 11011100048.
Its totient is φ = 11011100046.
The previous prime is 11011100003. The next prime is 11011100071. The reversal of 11011100047 is 74000111011.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11011100047 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 11011100047.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11011100147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505550023 + 5505550024.
It is an arithmetic number, because the mean of its divisors is an integer number (5505550024).
Almost surely, 211011100047 is an apocalyptic number.
11011100047 is a deficient number, since it is larger than the sum of its proper divisors (1).
11011100047 is an equidigital number, since it uses as much as digits as its factorization.
11011100047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28, while the sum is 16.
Adding to 11011100047 its reverse (74000111011), we get a palindrome (85011211058).
The spelling of 11011100047 in words is "eleven billion, eleven million, one hundred thousand, forty-seven".