11321512135004 has 24 divisors (see below), whose sum is σ = 19921769511168. Its totient is φ = 5629594037760.

The previous prime is 11321512134991. The next prime is 11321512135009. The reversal of 11321512135004 is 40053121512311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321512135009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820352 + ... + 4828664.

It is an arithmetic number, because the mean of its divisors is an integer number (830073729632).

Almost surely, 2^{11321512135004} is an apocalyptic number.

It is an amenable number.

11321512135004 is a deficient number, since it is larger than the sum of its proper divisors (8600257376164).

11321512135004 is a wasteful number, since it uses less digits than its factorization.

11321512135004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012205 (or 4012203 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11321512135004 its reverse (40053121512311), we get a palindrome (51374633647315).

The spelling of 11321512135004 in words is "eleven trillion, three hundred twenty-one billion, five hundred twelve million, one hundred thirty-five thousand, four".