11520312446 has 16 divisors (see below), whose sum is σ = 19259966160. Its totient is φ = 5135990400.

The previous prime is 11520312439. The next prime is 11520312451. The reversal of 11520312446 is 64421302511.

11520312446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8916005 + ... + 8917296.

It is an arithmetic number, because the mean of its divisors is an integer number (1203747885).

Almost surely, 2^11520312446 is an apocalyptic number.

11520312446 is a deficient number, since it is larger than the sum of its proper divisors (7739653714).

11520312446 is a wasteful number, since it uses less digits than its factorization.

11520312446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833339.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 11520312446 its reverse (64421302511), we get a palindrome (75941614957).

The spelling of 11520312446 in words is "eleven billion, five hundred twenty million, three hundred twelve thousand, four hundred forty-six".