8115266185000 has 320 divisors, whose sum is σ = 21217573515600. Its totient is φ = 2888331264000.

The previous prime is 8115266184997. The next prime is 8115266185001. The reversal of 8115266185000 is 5816625118.

It can be written as a sum of positive squares in 40 ways, for example, as 8002460215044 + 112805969956 = 2828862^2 + 335866^2 .

It is not an unprimeable number, because it can be changed into a prime (8115266185001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1268601802 + ... + 1268608198.

Almost surely, 2^{8115266185000} 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 8115266185000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10608786757800).

8115266185000 is an abundant number, since it is smaller than the sum of its proper divisors (13102307330600).

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

8115266185000 is a wasteful number, since it uses less digits than its factorization.

8115266185000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 8115266185000 in words is "eight trillion, one hundred fifteen billion, two hundred sixty-six million, one hundred eighty-five thousand".