11681182806 has 8 divisors (see below), whose sum is σ = 23362365624. Its totient is φ = 3893727600.

The previous prime is 11681182697. The next prime is 11681182813. The reversal of 11681182806 is 60828118611.

It is a sphenic number, since it is the product of 3 distinct primes.

11681182806 is an admirable number.

It is a super-4 number, since 4×11681182806⁴ (a number of 41 digits) contains 4444 as substring.

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, 973431895 + ... + 973431906.

It is an arithmetic number, because the mean of its divisors is an integer number (2920295703).

Almost surely, 2^11681182806 is an apocalyptic number.

11681182806 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.

11681182806 is a wasteful number, since it uses less digits than its factorization.

11681182806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946863806.

The product of its (nonzero) digits is 36864, while the sum is 42.

The spelling of 11681182806 in words is "eleven billion, six hundred eighty-one million, one hundred eighty-two thousand, eight hundred six".