11812385224 has 16 divisors (see below), whose sum is σ = 22211689500. Its totient is φ = 5889268032.

The previous prime is 11812385171. The next prime is 11812385231. The reversal of 11812385224 is 42258321811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9470793124 + 2341592100 = 97318^2 + 48390^2 .

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, 2112607 + ... + 2118190.

Almost surely, 2^11812385224 is an apocalyptic number.

It is an amenable number.

11812385224 is a deficient number, since it is larger than the sum of its proper divisors (10399304276).

11812385224 is a wasteful number, since it uses less digits than its factorization.

11812385224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231152 (or 4231148 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The spelling of 11812385224 in words is "eleven billion, eight hundred twelve million, three hundred eighty-five thousand, two hundred twenty-four".