11817617308 has 12 divisors (see below), whose sum is σ = 23635234672. Its totient is φ = 5064693120.

The previous prime is 11817617299. The next prime is 11817617309. The reversal of 11817617308 is 80371671811.

11817617308 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11817617309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211028853 + ... + 211028908.

Almost surely, 2^11817617308 is an apocalyptic number.

It is an amenable number.

11817617308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11817617308 is a wasteful number, since it uses less digits than its factorization.

11817617308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422057772 (or 422057770 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 11817617308 in words is "eleven billion, eight hundred seventeen million, six hundred seventeen thousand, three hundred eight".