11003120011120 has 40 divisors (see below), whose sum is σ = 25599184984800. Its totient is φ = 4398335151360.

The previous prime is 11003120011067. The next prime is 11003120011133. The reversal of 11003120011120 is 2111002130011.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11003120011120.

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, 45391695 + ... + 45633454.

It is an arithmetic number, because the mean of its divisors is an integer number (639979624620).

Almost surely, 2^{11003120011120} is an apocalyptic number.

11003120011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003120011120 is an abundant number, since it is smaller than the sum of its proper divisors (14596064973680).

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

11003120011120 is a wasteful number, since it uses less digits than its factorization.

11003120011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91026673 (or 91026667 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11003120011120 its reverse (2111002130011), we get a palindrome (13114122141131).

The spelling of 11003120011120 in words is "eleven trillion, three billion, one hundred twenty million, eleven thousand, one hundred twenty".