1108531511047 has 2 divisors, whose sum is σ = 1108531511048. Its totient is φ = 1108531511046.

The previous prime is 1108531511039. The next prime is 1108531511063. The reversal of 1108531511047 is 7401151358011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7401151358011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1108531511047 - 2³ = 1108531511039 is a prime.

It is a super-2 number, since 2×1108531511047² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1108531510997 and 1108531511015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108531511027) 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, 554265755523 + 554265755524.

It is an arithmetic number, because the mean of its divisors is an integer number (554265755524).

Almost surely, 2^{1108531511047} is an apocalyptic number.

1108531511047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108531511047 is an equidigital number, since it uses as much as digits as its factorization.

1108531511047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 37.

Adding to 1108531511047 its reverse (7401151358011), we get a palindrome (8509682869058).

The spelling of 1108531511047 in words is "one trillion, one hundred eight billion, five hundred thirty-one million, five hundred eleven thousand, forty-seven".