118051777808 has 90 divisors (see below), whose sum is σ = 246113248302. Its totient is φ = 54665792000.

The previous prime is 118051777777. The next prime is 118051777841. The reversal of 118051777808 is 808777150811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111107555584 + 6944222224 = 333328^2 + 83332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118051777808.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 470325683 + ... + 470325933.

Almost surely, 2^118051777808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118051777808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123056624151).

118051777808 is an abundant number, since it is smaller than the sum of its proper divisors (128061470494).

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

118051777808 is an frugal number, since it uses more digits than its factorization.

118051777808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 53.

The spelling of 118051777808 in words is "one hundred eighteen billion, fifty-one million, seven hundred seventy-seven thousand, eight hundred eight".