11321320004 has 12 divisors (see below), whose sum is σ = 19968313344. Its totient is φ = 5616087624.

The previous prime is 11321319991. The next prime is 11321320007. The reversal of 11321320004 is 40002312311.

It is not an unprimeable number, because it can be changed into a prime (11321320007) 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, 11142524 + ... + 11143539.

It is an arithmetic number, because the mean of its divisors is an integer number (1664026112).

Almost surely, 2^11321320004 is an apocalyptic number.

It is an amenable number.

11321320004 is a deficient number, since it is larger than the sum of its proper divisors (8646993340).

11321320004 is a wasteful number, since it uses less digits than its factorization.

11321320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22286194 (or 22286192 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11321320004 its reverse (40002312311), we get a palindrome (51323632315).

The spelling of 11321320004 in words is "eleven billion, three hundred twenty-one million, three hundred twenty thousand, four".