11820520108 has 6 divisors (see below), whose sum is σ = 20685910196. Its totient is φ = 5910260052.

The previous prime is 11820520081. The next prime is 11820520133. The reversal of 11820520108 is 80102502811.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477565010 + ... + 1477565017.

Almost surely, 2^11820520108 is an apocalyptic number.

It is an amenable number.

11820520108 is a deficient number, since it is larger than the sum of its proper divisors (8865390088).

11820520108 is a wasteful number, since it uses less digits than its factorization.

11820520108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955130031 (or 2955130029 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The spelling of 11820520108 in words is "eleven billion, eight hundred twenty million, five hundred twenty thousand, one hundred eight".