10811944 has 48 divisors (see below), whose sum is σ = 23980320. Its totient is φ = 4530240.

The previous prime is 10811923. The next prime is 10811989. The reversal of 10811944 is 44911801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14509 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (499590).

Almost surely, 2^10811944 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 10811944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11990160).

10811944 is an abundant number, since it is smaller than the sum of its proper divisors (13168376).

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

10811944 is a wasteful number, since it uses less digits than its factorization.

10811944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 10811944 is about 3288.1520646102. The cubic root of 10811944 is about 221.1233452169.

It can be divided in two parts, 1081 and 1944, that added together give a square (3025 = 55²).

The spelling of 10811944 in words is "ten million, eight hundred eleven thousand, nine hundred forty-four".