8236111001225 has 12 divisors (see below), whose sum is σ = 10212826860684. Its totient is φ = 6588857046720.

The previous prime is 8236111001221. The next prime is 8236111001231. The reversal of 8236111001225 is 5221001116328.

It can be written as a sum of positive squares in 6 ways, for example, as 54926484496 + 8181184516729 = 234364^2 + 2860277^2 .

It is not a de Polignac number, because 8236111001225 - 2² = 8236111001221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8236111001191 and 8236111001200.

It is not an unprimeable number, because it can be changed into a prime (8236111001221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5464787 + ... + 6807063.

It is an arithmetic number, because the mean of its divisors is an integer number (851068905057).

Almost surely, 2^{8236111001225} is an apocalyptic number.

It is an amenable number.

8236111001225 is a deficient number, since it is larger than the sum of its proper divisors (1976715859459).

8236111001225 is a wasteful number, since it uses less digits than its factorization.

8236111001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587724 (or 1587719 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 8236111001225 in words is "eight trillion, two hundred thirty-six billion, one hundred eleven million, one thousand, two hundred twenty-five".