11000103003 has 24 divisors (see below), whose sum is σ = 15934183200. Its totient is φ = 7312604544.

The previous prime is 11000103001. The next prime is 11000103017. The reversal of 11000103003 is 30030100011.

It is not a de Polignac number, because 11000103003 - 2¹ = 11000103001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11000103001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8533183 + ... + 8534471.

It is an arithmetic number, because the mean of its divisors is an integer number (663924300).

Almost surely, 2^11000103003 is an apocalyptic number.

11000103003 is a deficient number, since it is larger than the sum of its proper divisors (4934080197).

11000103003 is a wasteful number, since it uses less digits than its factorization.

11000103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251 (or 3248 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 11000103003 its reverse (30030100011), we get a palindrome (41030203014).

It can be divided in two parts, 11000 and 103003, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 11000103003 in words is "eleven billion, one hundred three thousand, three".