11680505996 has 24 divisors (see below), whose sum is σ = 22341465216. Its totient is φ = 5319394560.

The previous prime is 11680505959. The next prime is 11680506017. The reversal of 11680505996 is 69950508611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768411 + ... + 2772626.

It is an arithmetic number, because the mean of its divisors is an integer number (930894384).

Almost surely, 2^11680505996 is an apocalyptic number.

It is an amenable number.

11680505996 is a deficient number, since it is larger than the sum of its proper divisors (10660959220).

11680505996 is a wasteful number, since it uses less digits than its factorization.

11680505996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541089 (or 5541087 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 11680505996 in words is "eleven billion, six hundred eighty million, five hundred five thousand, nine hundred ninety-six".