118981284063 has 4 divisors (see below), whose sum is σ = 158641712088. Its totient is φ = 79320856040.

The previous prime is 118981284031. The next prime is 118981284083. The reversal of 118981284063 is 360482189811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118981284063 - 2⁵ = 118981284031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118981283997 and 118981284015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118981284083) 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 3 ways as a sum of consecutive naturals, for example, 19830214008 + ... + 19830214013.

It is an arithmetic number, because the mean of its divisors is an integer number (39660428022).

Almost surely, 2^118981284063 is an apocalyptic number.

118981284063 is a deficient number, since it is larger than the sum of its proper divisors (39660428025).

118981284063 is an equidigital number, since it uses as much as digits as its factorization.

118981284063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39660428024.

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 118981284063 in words is "one hundred eighteen billion, nine hundred eighty-one million, two hundred eighty-four thousand, sixty-three".