11211241044 has 48 divisors (see below), whose sum is σ = 26335108800. Its totient is φ = 3712087296.

The previous prime is 11211241043. The next prime is 11211241079. The reversal of 11211241044 is 44014211211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211241044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211241043) 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 15 ways as a sum of consecutive naturals, for example, 1115112 + ... + 1125120.

It is an arithmetic number, because the mean of its divisors is an integer number (548648100).

Almost surely, 2^11211241044 is an apocalyptic number.

It is an amenable number.

11211241044 is an abundant number, since it is smaller than the sum of its proper divisors (15123867756).

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

11211241044 is a wasteful number, since it uses less digits than its factorization.

11211241044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632 (or 10630 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11211241044 its reverse (44014211211), we get a palindrome (55225452255).

The spelling of 11211241044 in words is "eleven billion, two hundred eleven million, two hundred forty-one thousand, forty-four".