118565994722 has 30 divisors (see below), whose sum is σ = 207519908193. Its totient is φ = 50803771536.

The previous prime is 118565994707. The next prime is 118565994797. The reversal of 118565994722 is 227499565811.

It can be written as a sum of positive squares in 2 ways, for example, as 106849880641 + 11716114081 = 326879^2 + 108241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=243481.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 23858654 + ... + 23863622.

Almost surely, 2^118565994722 is an apocalyptic number.

118565994722 is a deficient number, since it is larger than the sum of its proper divisors (88953913471).

118565994722 is an frugal number, since it uses more digits than its factorization.

118565994722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968 (or 4978 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The spelling of 118565994722 in words is "one hundred eighteen billion, five hundred sixty-five million, nine hundred ninety-four thousand, seven hundred twenty-two".