118113583128 has 32 divisors (see below), whose sum is σ = 300124682160. Its totient is φ = 38725764480.

The previous prime is 118113583121. The next prime is 118113583129. The reversal of 118113583128 is 821385311811.

It is a self number, because there is not a number n which added to its sum of digits gives 118113583128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118113583121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40337875 + ... + 40340802.

Almost surely, 2^118113583128 is an apocalyptic number.

It is an amenable number.

118113583128 is an abundant number, since it is smaller than the sum of its proper divisors (182011099032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118113583128 is a wasteful number, since it uses less digits than its factorization.

118113583128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80678747 (or 80678743 counting only the distinct ones).

The product of its digits is 46080, while the sum is 42.

Adding to 118113583128 its reverse (821385311811), we get a palindrome (939498894939).

The spelling of 118113583128 in words is "one hundred eighteen billion, one hundred thirteen million, five hundred eighty-three thousand, one hundred twenty-eight".