11031238044 has 120 divisors (see below), whose sum is σ = 30589574400. Its totient is φ = 3456704160.

The previous prime is 11031238033. The next prime is 11031238061. The reversal of 11031238044 is 44083213011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11031237999 and 11031238017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 799597 + ... + 813275.

It is an arithmetic number, because the mean of its divisors is an integer number (254913120).

Almost surely, 2^11031238044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031238044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15294787200).

11031238044 is an abundant number, since it is smaller than the sum of its proper divisors (19558336356).

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

11031238044 is a wasteful number, since it uses less digits than its factorization.

11031238044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845 (or 13834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 11031238044 in words is "eleven billion, thirty-one million, two hundred thirty-eight thousand, forty-four".