115437730266 has 72 divisors (see below), whose sum is σ = 267912762624. Its totient is φ = 35909794800.

The previous prime is 115437730207. The next prime is 115437730267. The reversal of 115437730266 is 662037734511.

115437730266 is a `hidden beast` number, since 1 + 1 + 543 + 77 + 30 + 2 + 6 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (115437730267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 302791 + ... + 567941.

It is an arithmetic number, because the mean of its divisors is an integer number (3721010592).

Almost surely, 2^115437730266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115437730266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133956381312).

115437730266 is an abundant number, since it is smaller than the sum of its proper divisors (152475032358).

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

115437730266 is a wasteful number, since it uses less digits than its factorization.

115437730266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265264 (or 265242 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 115437730266 in words is "one hundred fifteen billion, four hundred thirty-seven million, seven hundred thirty thousand, two hundred sixty-six".