118489781640788 has 24 divisors (see below), whose sum is σ = 216376015430400. Its totient is φ = 56668143201120.

The previous prime is 118489781640781. The next prime is 118489781640793. The reversal of 118489781640788 is 887046187984811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118489781640781) 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, 4074923 + ... + 15924338.

It is an arithmetic number, because the mean of its divisors is an integer number (9015667309600).

Almost surely, 2^{118489781640788} is an apocalyptic number.

It is an amenable number.

118489781640788 is a deficient number, since it is larger than the sum of its proper divisors (97886233789612).

118489781640788 is a wasteful number, since it uses less digits than its factorization.

118489781640788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063687 (or 20063685 counting only the distinct ones).

The product of its (nonzero) digits is 1387266048, while the sum is 80.

The spelling of 118489781640788 in words is "one hundred eighteen trillion, four hundred eighty-nine billion, seven hundred eighty-one million, six hundred forty thousand, seven hundred eighty-eight".