11806775908 has 6 divisors (see below), whose sum is σ = 20661857846. Its totient is φ = 5903387952.

The previous prime is 11806775899. The next prime is 11806775941. The reversal of 11806775908 is 80957760811.

It can be written as a sum of positive squares in only one way, i.e., 9690039844 + 2116736064 = 98438^2 + 46008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475846985 + ... + 1475846992.

Almost surely, 2^11806775908 is an apocalyptic number.

It is an amenable number.

11806775908 is a deficient number, since it is larger than the sum of its proper divisors (8855081938).

11806775908 is a wasteful number, since it uses less digits than its factorization.

11806775908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951693981 (or 2951693979 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 52.

The spelling of 11806775908 in words is "eleven billion, eight hundred six million, seven hundred seventy-five thousand, nine hundred eight".