115728777216 has 612 divisors, whose sum is σ = 384159663888. Its totient is φ = 34780741632.

The previous prime is 115728777163. The next prime is 115728777221. The reversal of 115728777216 is 612777827511.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2691366891 + ... + 2691366933.

Almost surely, 2^115728777216 is an apocalyptic number.

115728777216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115728777216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192079831944).

115728777216 is an abundant number, since it is smaller than the sum of its proper divisors (268430886672).

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

115728777216 is an frugal number, since it uses more digits than its factorization.

115728777216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 61 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 54.

The spelling of 115728777216 in words is "one hundred fifteen billion, seven hundred twenty-eight million, seven hundred seventy-seven thousand, two hundred sixteen".