11532821124 has 24 divisors (see below), whose sum is σ = 29356272288. Its totient is φ = 3494794240.

The previous prime is 11532821119. The next prime is 11532821189. The reversal of 11532821124 is 42112823511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11532821091 and 11532821100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43684797 + ... + 43685060.

It is an arithmetic number, because the mean of its divisors is an integer number (1223178012).

Almost surely, 2^11532821124 is an apocalyptic number.

It is an amenable number.

11532821124 is an abundant number, since it is smaller than the sum of its proper divisors (17823451164).

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

11532821124 is a wasteful number, since it uses less digits than its factorization.

11532821124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87369875 (or 87369873 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The spelling of 11532821124 in words is "eleven billion, five hundred thirty-two million, eight hundred twenty-one thousand, one hundred twenty-four".