11051265603 has 16 divisors (see below), whose sum is σ = 16848512000. Its totient is φ = 6311825856.

The previous prime is 11051265593. The next prime is 11051265619. The reversal of 11051265603 is 30656215011.

11051265603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11051265603 - 2¹⁶ = 11051200067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051263603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89650 + ... + 173607.

It is an arithmetic number, because the mean of its divisors is an integer number (1053032000).

Almost surely, 2^11051265603 is an apocalyptic number.

11051265603 is a deficient number, since it is larger than the sum of its proper divisors (5797246397).

11051265603 is a wasteful number, since it uses less digits than its factorization.

11051265603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265266.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11051265603 in words is "eleven billion, fifty-one million, two hundred sixty-five thousand, six hundred three".