11132121044 has 24 divisors (see below), whose sum is σ = 21257493600. Its totient is φ = 5058802080.

The previous prime is 11132121043. The next prime is 11132121053. The reversal of 11132121044 is 44012123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132121043) 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 7 ways as a sum of consecutive naturals, for example, 161762 + ... + 220070.

It is an arithmetic number, because the mean of its divisors is an integer number (885728900).

Almost surely, 2^11132121044 is an apocalyptic number.

It is an amenable number.

11132121044 is a deficient number, since it is larger than the sum of its proper divisors (10125372556).

11132121044 is a wasteful number, since it uses less digits than its factorization.

11132121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62663 (or 62661 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11132121044 its reverse (44012123111), we get a palindrome (55144244155).

The spelling of 11132121044 in words is "eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, forty-four".