11231304664 has 16 divisors (see below), whose sum is σ = 21415624200. Its totient is φ = 5520471552.

The previous prime is 11231304647. The next prime is 11231304691. The reversal of 11231304664 is 46640313211.

It is a happy number.

11231304664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231304664² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 11897097 + ... + 11898040.

Almost surely, 2^11231304664 is an apocalyptic number.

It is an amenable number.

11231304664 is a deficient number, since it is larger than the sum of its proper divisors (10184319536).

11231304664 is a wasteful number, since it uses less digits than its factorization.

11231304664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795202 (or 23795198 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 11231304664 its reverse (46640313211), we get a palindrome (57871617875).

The spelling of 11231304664 in words is "eleven billion, two hundred thirty-one million, three hundred four thousand, six hundred sixty-four".