11711816208 has 60 divisors (see below), whose sum is σ = 32921302128. Its totient is φ = 3886729920.

The previous prime is 11711816197. The next prime is 11711816219. The reversal of 11711816208 is 80261811711.

11711816208 is a `hidden beast` number, since 1 + 17 + 1 + 18 + 1 + 620 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (11711816197) and next prime (11711816219).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146458 + ... + 211833.

Almost surely, 2^11711816208 is an apocalyptic number.

11711816208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11711816208 is an abundant number, since it is smaller than the sum of its proper divisors (21209485920).

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

11711816208 is a wasteful number, since it uses less digits than its factorization.

11711816208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358532 (or 358523 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 36.

The spelling of 11711816208 in words is "eleven billion, seven hundred eleven million, eight hundred sixteen thousand, two hundred eight".