11103345012 has 24 divisors (see below), whose sum is σ = 25950086176. Its totient is φ = 3695074848.

The previous prime is 11103345007. The next prime is 11103345023. The reversal of 11103345012 is 21054330111.

It is a self number, because there is not a number n which added to its sum of digits gives 11103345012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 747358 + ... + 762069.

Almost surely, 2^11103345012 is an apocalyptic number.

11103345012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11103345012 is an abundant number, since it is smaller than the sum of its proper divisors (14846741164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103345012 is a wasteful number, since it uses less digits than its factorization.

11103345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510047 (or 1510045 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11103345012 its reverse (21054330111), we get a palindrome (32157675123).

The spelling of 11103345012 in words is "eleven billion, one hundred three million, three hundred forty-five thousand, twelve".