11003663043 has 6 divisors (see below), whose sum is σ = 15894179964. Its totient is φ = 7335775356.

The previous prime is 11003663039. The next prime is 11003663051. The reversal of 11003663043 is 34036630011.

It is not a de Polignac number, because 11003663043 - 2² = 11003663039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11003662998 and 11003663016.

It is not an unprimeable number, because it can be changed into a prime (11003663543) 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 in 5 ways as a sum of consecutive naturals, for example, 611314605 + ... + 611314622.

It is an arithmetic number, because the mean of its divisors is an integer number (2649029994).

Almost surely, 2^11003663043 is an apocalyptic number.

11003663043 is a deficient number, since it is larger than the sum of its proper divisors (4890516921).

11003663043 is a wasteful number, since it uses less digits than its factorization.

11003663043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222629233 (or 1222629230 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 11003663043 in words is "eleven billion, three million, six hundred sixty-three thousand, forty-three".