11511304324 has 24 divisors (see below), whose sum is σ = 21839995800. Its totient is φ = 5277249024.

The previous prime is 11511304297. The next prime is 11511304331. The reversal of 11511304324 is 42340311511.

It can be written as a sum of positive squares in 4 ways, for example, as 1113423424 + 10397880900 = 33368^2 + 101970^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735109 + ... + 750604.

It is an arithmetic number, because the mean of its divisors is an integer number (909999825).

Almost surely, 2^11511304324 is an apocalyptic number.

It is an amenable number.

11511304324 is a deficient number, since it is larger than the sum of its proper divisors (10328691476).

11511304324 is a wasteful number, since it uses less digits than its factorization.

11511304324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485879 (or 1485877 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11511304324 its reverse (42340311511), we get a palindrome (53851615835).

The spelling of 11511304324 in words is "eleven billion, five hundred eleven million, three hundred four thousand, three hundred twenty-four".