11722791716 has 12 divisors (see below), whose sum is σ = 20516530188. Its totient is φ = 5860925952.

The previous prime is 11722791679. The next prime is 11722791737. The reversal of 11722791716 is 61719722711.

It can be written as a sum of positive squares in 2 ways, for example, as 7478790400 + 4244001316 = 86480^2 + 65146^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58001 + ... + 163736.

It is an arithmetic number, because the mean of its divisors is an integer number (1709710849).

Almost surely, 2^11722791716 is an apocalyptic number.

It is an amenable number.

11722791716 is a deficient number, since it is larger than the sum of its proper divisors (8793738472).

11722791716 is a wasteful number, since it uses less digits than its factorization.

11722791716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234958 (or 234956 counting only the distinct ones).

The product of its digits is 74088, while the sum is 44.

The spelling of 11722791716 in words is "eleven billion, seven hundred twenty-two million, seven hundred ninety-one thousand, seven hundred sixteen".