11111056003 has 2 divisors, whose sum is σ = 11111056004. Its totient is φ = 11111056002.

The previous prime is 11111056001. The next prime is 11111056091. The reversal of 11111056003 is 30065011111.

It is a weak prime.

It is an emirp because it is prime and its reverse (30065011111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111056003 - 2¹ = 11111056001 is a prime.

Together with 11111056001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11111056001) 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, 5555528001 + 5555528002.

It is an arithmetic number, because the mean of its divisors is an integer number (5555528002).

Almost surely, 2^11111056003 is an apocalyptic number.

11111056003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111056003 is an equidigital number, since it uses as much as digits as its factorization.

11111056003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 11111056003 its reverse (30065011111), we get a palindrome (41176067114).

The spelling of 11111056003 in words is "eleven billion, one hundred eleven million, fifty-six thousand, three".