118914466753681 has 3 divisors (see below), whose sum is σ = 118914477658473. Its totient is φ = 118914455848890.

The previous prime is 118914466753669. The next prime is 118914466753763. The reversal of 118914466753681 is 186357664419811.

The square root of 118914466753681 is 10904791.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 118914466753681 - 2⁷ = 118914466753553 is a prime.

It is a super-2 number, since 2×118914466753681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118914466753681.

It is not an unprimeable number, because it can be changed into a prime (118914466753601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5452396 + ... + 16357186.

It is an arithmetic number, because the mean of its divisors is an integer number (39638159219491).

Almost surely, 2^{118914466753681} is an apocalyptic number.

118914466753681 is the 10904791-st square number.

118914466753681 is the 5452396-th centered octagonal number.

It is an amenable number.

118914466753681 is a deficient number, since it is larger than the sum of its proper divisors (10904792).

118914466753681 is an frugal number, since it uses more digits than its factorization.

118914466753681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809582 (or 10904791 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 70.

The spelling of 118914466753681 in words is "one hundred eighteen trillion, nine hundred fourteen billion, four hundred sixty-six million, seven hundred fifty-three thousand, six hundred eighty-one".