11003003120 has 40 divisors (see below), whose sum is σ = 26694246816. Its totient is φ = 4209843968.

The previous prime is 11003003101. The next prime is 11003003153. The reversal of 11003003120 is 2130030011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988107 + ... + 2991786.

Almost surely, 2^11003003120 is an apocalyptic number.

11003003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003003120 is an abundant number, since it is smaller than the sum of its proper divisors (15691243696).

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

11003003120 is a wasteful number, since it uses less digits than its factorization.

11003003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979929 (or 5979923 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11003003120 its reverse (2130030011), we get a palindrome (13133033131).

The spelling of 11003003120 in words is "eleven billion, three million, three thousand, one hundred twenty".