111321766358672 has 10 divisors (see below), whose sum is σ = 215685922319958. Its totient is φ = 55660883179328.

The previous prime is 111321766358651. The next prime is 111321766358683. The reversal of 111321766358672 is 276853667123111.

It can be written as a sum of positive squares in only one way, i.e., 110398814183056 + 922952175616 = 10507084^2 + 960704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3478805198693 + ... + 3478805198724.

Almost surely, 2^{111321766358672} is an apocalyptic number.

It is an amenable number.

111321766358672 is a deficient number, since it is larger than the sum of its proper divisors (104364155961286).

111321766358672 is an equidigital number, since it uses as much as digits as its factorization.

111321766358672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957610397425 (or 6957610397419 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The spelling of 111321766358672 in words is "one hundred eleven trillion, three hundred twenty-one billion, seven hundred sixty-six million, three hundred fifty-eight thousand, six hundred seventy-two".