115544220566256 has 160 divisors (see below), whose sum is σ = 333087401041920. Its totient is φ = 38348705742336.

The previous prime is 115544220566149. The next prime is 115544220566381. The reversal of 115544220566256 is 652665022445511.

115544220566256 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 4 + 2 + 2 + 0 + 5 + 6 + 625 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96527836 + ... + 97717508.

It is an arithmetic number, because the mean of its divisors is an integer number (2081796256512).

Almost surely, 2^{115544220566256} is an apocalyptic number.

115544220566256 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 115544220566256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166543700520960).

115544220566256 is an abundant number, since it is smaller than the sum of its proper divisors (217543180475664).

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

115544220566256 is a wasteful number, since it uses less digits than its factorization.

115544220566256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190660 (or 1190648 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 115544220566256 in words is "one hundred fifteen trillion, five hundred forty-four billion, two hundred twenty million, five hundred sixty-six thousand, two hundred fifty-six".