1111000001003 has 2 divisors, whose sum is σ = 1111000001004. Its totient is φ = 1111000001002.

The previous prime is 1111000000973. The next prime is 1111000001017. The reversal of 1111000001003 is 3001000001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111000001003 - 2¹⁰ = 1110999999979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111000001303) 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, 555500000501 + 555500000502.

It is an arithmetic number, because the mean of its divisors is an integer number (555500000502).

Almost surely, 2^{1111000001003} is an apocalyptic number.

1111000001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000001003 is an equidigital number, since it uses as much as digits as its factorization.

1111000001003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 8.

Adding to 1111000001003 its reverse (3001000001111), we get a palindrome (4112000002114).

The spelling of 1111000001003 in words is "one trillion, one hundred eleven billion, one thousand, three".