115966227744 has 120 divisors (see below), whose sum is σ = 341933171580. Its totient is φ = 38555702784.

The previous prime is 115966227743. The next prime is 115966227763. The reversal of 115966227744 is 447722669511.

115966227744 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 6 + 622 + 7 + 7 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113663379600 + 2302848144 = 337140^2 + 47988^2 .

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

It is not an unprimeable number, because it can be changed into a prime (115966227743) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 950782 + ... + 1065794.

Almost surely, 2^115966227744 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 115966227744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170966585790).

115966227744 is an abundant number, since it is smaller than the sum of its proper divisors (225966943836).

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

115966227744 is a wasteful number, since it uses less digits than its factorization.

115966227744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115424 (or 115407 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 115966227744 in words is "one hundred fifteen billion, nine hundred sixty-six million, two hundred twenty-seven thousand, seven hundred forty-four".