11321142004 has 12 divisors (see below), whose sum is σ = 19814872644. Its totient is φ = 5659749824.

The previous prime is 11321141981. The next prime is 11321142029. The reversal of 11321142004 is 40024112311.

It can be written as a sum of positive squares in 2 ways, for example, as 5823216100 + 5497925904 = 76310^2 + 74148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173737 + ... + 229840.

It is an arithmetic number, because the mean of its divisors is an integer number (1651239387).

Almost surely, 2^11321142004 is an apocalyptic number.

It is an amenable number.

11321142004 is a deficient number, since it is larger than the sum of its proper divisors (8493730640).

11321142004 is a wasteful number, since it uses less digits than its factorization.

11321142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410594 (or 410592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11321142004 its reverse (40024112311), we get a palindrome (51345254315).

The spelling of 11321142004 in words is "eleven billion, three hundred twenty-one million, one hundred forty-two thousand, four".