11030331120 has 80 divisors (see below), whose sum is σ = 34249906080. Its totient is φ = 2936614912.

The previous prime is 11030331113. The next prime is 11030331139. The reversal of 11030331120 is 2113303011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11030331120.

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 15 ways as a sum of consecutive naturals, for example, 110836 + ... + 185324.

It is an arithmetic number, because the mean of its divisors is an integer number (428123826).

Almost surely, 2^11030331120 is an apocalyptic number.

11030331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11030331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17124953040).

11030331120 is an abundant number, since it is smaller than the sum of its proper divisors (23219574960).

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

11030331120 is a wasteful number, since it uses less digits than its factorization.

11030331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75122 (or 75116 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11030331120 its reverse (2113303011), we get a palindrome (13143634131).

The spelling of 11030331120 in words is "eleven billion, thirty million, three hundred thirty-one thousand, one hundred twenty".