118880833681 has 3 divisors (see below), whose sum is σ = 118881178473. Its totient is φ = 118880488890.

The previous prime is 118880833637. The next prime is 118880833691. The reversal of 118880833681 is 186338088811.

The square root of 118880833681 is 344791.

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 118880833681 - 2¹¹ = 118880831633 is a prime.

It is a super-2 number, since 2×118880833681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118880833691) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 172396 + ... + 517186.

It is an arithmetic number, because the mean of its divisors is an integer number (39627059491).

Almost surely, 2^118880833681 is an apocalyptic number.

118880833681 is the 344791-st square number.

118880833681 is the 172396-th centered octagonal number.

It is an amenable number.

118880833681 is a deficient number, since it is larger than the sum of its proper divisors (344792).

118880833681 is an frugal number, since it uses more digits than its factorization.

118880833681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689582 (or 344791 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 55.

The spelling of 118880833681 in words is "one hundred eighteen billion, eight hundred eighty million, eight hundred thirty-three thousand, six hundred eighty-one".