11820223896 has 64 divisors (see below), whose sum is σ = 33695676000. Its totient is φ = 3423049728.

The previous prime is 11820223867. The next prime is 11820223901. The reversal of 11820223896 is 69832202811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108971 + ... + 1119578.

Almost surely, 2^11820223896 is an apocalyptic number.

It is an amenable number.

11820223896 is an abundant number, since it is smaller than the sum of its proper divisors (21875452104).

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

11820223896 is a wasteful number, since it uses less digits than its factorization.

11820223896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228588 (or 2228584 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 11820223896 in words is "eleven billion, eight hundred twenty million, two hundred twenty-three thousand, eight hundred ninety-six".