11130044040 has 96 divisors (see below), whose sum is σ = 36523955520. Its totient is φ = 2939186304.

The previous prime is 11130043999. The next prime is 11130044047. The reversal of 11130044040 is 4044003111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11130044047) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 113002 + ... + 187161.

It is an arithmetic number, because the mean of its divisors is an integer number (380457870).

Almost surely, 2^11130044040 is an apocalyptic number.

11130044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130044040 is an abundant number, since it is smaller than the sum of its proper divisors (25393911480).

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

11130044040 is a wasteful number, since it uses less digits than its factorization.

11130044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300283 (or 300276 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11130044040 its reverse (4044003111), we get a palindrome (15174047151).

The spelling of 11130044040 in words is "eleven billion, one hundred thirty million, forty-four thousand, forty".