11321015604 has 48 divisors (see below), whose sum is σ = 27293293440. Its totient is φ = 3650308480.

The previous prime is 11321015599. The next prime is 11321015663. The reversal of 11321015604 is 40651012311.

It is a happy number.

11321015604 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 2×11321015604² (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 15 ways as a sum of consecutive naturals, for example, 80199 + ... + 170510.

It is an arithmetic number, because the mean of its divisors is an integer number (568610280).

Almost surely, 2^11321015604 is an apocalyptic number.

It is an amenable number.

11321015604 is an abundant number, since it is smaller than the sum of its proper divisors (15972277836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321015604 is a wasteful number, since it uses less digits than its factorization.

11321015604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250840 (or 250838 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11321015604 its reverse (40651012311), we get a palindrome (51972027915).

The spelling of 11321015604 in words is "eleven billion, three hundred twenty-one million, fifteen thousand, six hundred four".