118719768981 has 16 divisors (see below), whose sum is σ = 175514177088. Its totient is φ = 70771843200.

The previous prime is 118719768949. The next prime is 118719769019. The reversal of 118719768981 is 189867917811.

It is not a de Polignac number, because 118719768981 - 2⁵ = 118719768949 is a prime.

It is a super-2 number, since 2×118719768981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118719768781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29486256 + ... + 29490281.

It is an arithmetic number, because the mean of its divisors is an integer number (10969636068).

Almost surely, 2^118719768981 is an apocalyptic number.

118719768981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118719768981 is a deficient number, since it is larger than the sum of its proper divisors (56794408107).

118719768981 is a wasteful number, since it uses less digits than its factorization.

118719768981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58976612.

The product of its digits is 12192768, while the sum is 66.

The spelling of 118719768981 in words is "one hundred eighteen billion, seven hundred nineteen million, seven hundred sixty-eight thousand, nine hundred eighty-one".