11131211003044 has 18 divisors (see below), whose sum is σ = 21411482322902. Its totient is φ = 5059641364800.

The previous prime is 11131211002969. The next prime is 11131211003047. The reversal of 11131211003044 is 44030011213111.

It can be written as a sum of positive squares in only one way, i.e., 8026172302500 + 3105038700544 = 2833050^2 + 1762112^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11131211003047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11499184437 + ... + 11499185404.

Almost surely, 2^{11131211003044} is an apocalyptic number.

It is an amenable number.

11131211003044 is a deficient number, since it is larger than the sum of its proper divisors (10280271319858).

11131211003044 is a wasteful number, since it uses less digits than its factorization.

11131211003044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998369867 (or 22998369854 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11131211003044 its reverse (44030011213111), we get a palindrome (55161222216155).

The spelling of 11131211003044 in words is "eleven trillion, one hundred thirty-one billion, two hundred eleven million, three thousand, forty-four".