11321015144 has 8 divisors (see below), whose sum is σ = 21226903410. Its totient is φ = 5660507568.

The previous prime is 11321015141. The next prime is 11321015183. The reversal of 11321015144 is 44151012311.

11321015144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7112898244 + 4208116900 = 84338^2 + 64870^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11321015141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707563439 + ... + 707563454.

Almost surely, 2^11321015144 is an apocalyptic number.

It is an amenable number.

11321015144 is a deficient number, since it is larger than the sum of its proper divisors (9905888266).

11321015144 is a wasteful number, since it uses less digits than its factorization.

11321015144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415126899 (or 1415126895 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11321015144 its reverse (44151012311), we get a palindrome (55472027455).

The spelling of 11321015144 in words is "eleven billion, three hundred twenty-one million, fifteen thousand, one hundred forty-four".