11433320144 has 20 divisors (see below), whose sum is σ = 22172285124. Its totient is φ = 5711440128.

The previous prime is 11433320141. The next prime is 11433320153. The reversal of 11433320144 is 44102333411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7291110544 + 4142209600 = 85388^2 + 64360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433320141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308147 + ... + 343250.

Almost surely, 2^11433320144 is an apocalyptic number.

It is an amenable number.

11433320144 is a deficient number, since it is larger than the sum of its proper divisors (10738964980).

11433320144 is a wasteful number, since it uses less digits than its factorization.

11433320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652502 (or 652496 counting only the distinct ones).

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

Adding to 11433320144 its reverse (44102333411), we get a palindrome (55535653555).

The spelling of 11433320144 in words is "eleven billion, four hundred thirty-three million, three hundred twenty thousand, one hundred forty-four".