1111043102003 has 12 divisors (see below), whose sum is σ = 1192471280280. Its totient is φ = 1034727008256.

The previous prime is 1111043101933. The next prime is 1111043102023. The reversal of 1111043102003 is 3002013401111.

It is not a de Polignac number, because 1111043102003 - 2¹⁸ = 1111042839859 is a prime.

It is a super-2 number, since 2×1111043102003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111043102023) 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 11 ways as a sum of consecutive naturals, for example, 26060750 + ... + 26103347.

It is an arithmetic number, because the mean of its divisors is an integer number (99372606690).

Almost surely, 2^{1111043102003} is an apocalyptic number.

1111043102003 is a deficient number, since it is larger than the sum of its proper divisors (81428178277).

1111043102003 is an equidigital number, since it uses as much as digits as its factorization.

1111043102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52164194 (or 52164175 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111043102003 its reverse (3002013401111), we get a palindrome (4113056503114).

The spelling of 1111043102003 in words is "one trillion, one hundred eleven billion, forty-three million, one hundred two thousand, three".