11033423144 has 8 divisors (see below), whose sum is σ = 20687668410. Its totient is φ = 5516711568.

The previous prime is 11033423047. The next prime is 11033423161. The reversal of 11033423144 is 44132433011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6454194244 + 4579228900 = 80338^2 + 67670^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689588939 + ... + 689588954.

Almost surely, 2^11033423144 is an apocalyptic number.

It is an amenable number.

11033423144 is a deficient number, since it is larger than the sum of its proper divisors (9654245266).

11033423144 is a wasteful number, since it uses less digits than its factorization.

11033423144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379177899 (or 1379177895 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11033423144 its reverse (44132433011), we get a palindrome (55165856155).

The spelling of 11033423144 in words is "eleven billion, thirty-three million, four hundred twenty-three thousand, one hundred forty-four".