8125445218 has 16 divisors (see below), whose sum is σ = 13365803520. Its totient is φ = 3674045200.

The previous prime is 8125445113. The next prime is 8125445219.

8125445218 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8125445219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962653 + ... + 971056.

It is an arithmetic number, because the mean of its divisors is an integer number (835362720).

Almost surely, 2^8125445218 is an apocalyptic number.

8125445218 is a deficient number, since it is larger than the sum of its proper divisors (5240358302).

8125445218 is a wasteful number, since it uses less digits than its factorization.

8125445218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933913.

The product of its digits is 102400, while the sum is 40.

The square root of 8125445218 is about 90141.2514778889. The cubic root of 8125445218 is about 2010.3995986132.

The spelling of 8125445218 in words is "eight billion, one hundred twenty-five million, four hundred forty-five thousand, two hundred eighteen".