11105133544 has 8 divisors (see below), whose sum is σ = 20822125410. Its totient is φ = 5552566768.

The previous prime is 11105133521. The next prime is 11105133551. The reversal of 11105133544 is 44533150111.

It can be written as a sum of positive squares in only one way, i.e., 11010304900 + 94828644 = 104930^2 + 9738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 694070839 + ... + 694070854.

Almost surely, 2^11105133544 is an apocalyptic number.

It is an amenable number.

11105133544 is a deficient number, since it is larger than the sum of its proper divisors (9716991866).

11105133544 is a wasteful number, since it uses less digits than its factorization.

11105133544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388141699 (or 1388141695 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11105133544 its reverse (44533150111), we get a palindrome (55638283655).

The spelling of 11105133544 in words is "eleven billion, one hundred five million, one hundred thirty-three thousand, five hundred forty-four".