13811204208 has 20 divisors (see below), whose sum is σ = 35678944328. Its totient is φ = 4603734720.

The previous prime is 13811204191. The next prime is 13811204219. The reversal of 13811204208 is 80240211831.

It is a congruent number.

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, 143866663 + ... + 143866758.

Almost surely, 2^13811204208 is an apocalyptic number.

It is an amenable number.

13811204208 is an abundant number, since it is smaller than the sum of its proper divisors (21867740120).

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

13811204208 is a wasteful number, since it uses less digits than its factorization.

13811204208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287733432 (or 287733426 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 13811204208 in words is "thirteen billion, eight hundred eleven million, two hundred four thousand, two hundred eight".