11217756712 has 16 divisors (see below), whose sum is σ = 22140309600. Its totient is φ = 5313674160.

The previous prime is 11217756653. The next prime is 11217756787. The reversal of 11217756712 is 21765771211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36900364 + ... + 36900667.

It is an arithmetic number, because the mean of its divisors is an integer number (1383769350).

Almost surely, 2^11217756712 is an apocalyptic number.

It is an amenable number.

11217756712 is a deficient number, since it is larger than the sum of its proper divisors (10922552888).

11217756712 is a wasteful number, since it uses less digits than its factorization.

11217756712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73801056 (or 73801052 counting only the distinct ones).

The product of its digits is 41160, while the sum is 40.

The spelling of 11217756712 in words is "eleven billion, two hundred seventeen million, seven hundred fifty-six thousand, seven hundred twelve".