11001001100003 has 4 divisors (see below), whose sum is σ = 11027131744368. Its totient is φ = 10974870455640.

The previous prime is 11001001099981. The next prime is 11001001100009. The reversal of 11001001100003 is 30000110010011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11001001100003 - 2⁸ = 11001001099747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001001100009) 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 3 ways as a sum of consecutive naturals, for example, 13065321551 + ... + 13065322392.

It is an arithmetic number, because the mean of its divisors is an integer number (2756782936092).

Almost surely, 2^{11001001100003} is an apocalyptic number.

11001001100003 is a deficient number, since it is larger than the sum of its proper divisors (26130644365).

11001001100003 is an equidigital number, since it uses as much as digits as its factorization.

11001001100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26130644364.

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

Adding to 11001001100003 its reverse (30000110010011), we get a palindrome (41001111110014).

The spelling of 11001001100003 in words is "eleven trillion, one billion, one million, one hundred thousand, three".