11043354005603 has 4 divisors (see below), whose sum is σ = 11043421326168. Its totient is φ = 11043286685040.

The previous prime is 11043354005581. The next prime is 11043354005641. The reversal of 11043354005603 is 30650045334011.

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 11043354005603 - 2²⁰ = 11043352957027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043354005683) 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, 33413618 + ... + 33742503.

It is an arithmetic number, because the mean of its divisors is an integer number (2760855331542).

Almost surely, 2^{11043354005603} is an apocalyptic number.

11043354005603 is a deficient number, since it is larger than the sum of its proper divisors (67320565).

11043354005603 is an equidigital number, since it uses as much as digits as its factorization.

11043354005603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67320564.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 11043354005603 its reverse (30650045334011), we get a palindrome (41693399339614).

The spelling of 11043354005603 in words is "eleven trillion, forty-three billion, three hundred fifty-four million, five thousand, six hundred three".