1111011101143 has 2 divisors, whose sum is σ = 1111011101144. Its totient is φ = 1111011101142.

The previous prime is 1111011101141. The next prime is 1111011101311. The reversal of 1111011101143 is 3411011101111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111011101143 - 2¹ = 1111011101141 is a prime.

Together with 1111011101141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111011101141) 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, 555505550571 + 555505550572.

It is an arithmetic number, because the mean of its divisors is an integer number (555505550572).

Almost surely, 2^{1111011101143} is an apocalyptic number.

1111011101143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111011101143 is an equidigital number, since it uses as much as digits as its factorization.

1111011101143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1111011101143 its reverse (3411011101111), we get a palindrome (4522022202254).

The spelling of 1111011101143 in words is "one trillion, one hundred eleven billion, eleven million, one hundred one thousand, one hundred forty-three".