8125835565 has 16 divisors (see below), whose sum is σ = 13002569856. Its totient is φ = 4333368000.

The previous prime is 8125835561. The next prime is 8125835569. The reversal of 8125835565 is 5655385218.

It is an interprime number because it is at equal distance from previous prime (8125835561) and next prime (8125835569).

It is not a de Polignac number, because 8125835565 - 2² = 8125835561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125835561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204040 + ... + 240590.

It is an arithmetic number, because the mean of its divisors is an integer number (812660616).

Almost surely, 2^8125835565 is an apocalyptic number.

It is an amenable number.

8125835565 is a deficient number, since it is larger than the sum of its proper divisors (4876734291).

8125835565 is a wasteful number, since it uses less digits than its factorization.

8125835565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51380.

The product of its digits is 1440000, while the sum is 48.

The square root of 8125835565 is about 90143.4166481391. The cubic root of 8125835565 is about 2010.4317913470.

The spelling of 8125835565 in words is "eight billion, one hundred twenty-five million, eight hundred thirty-five thousand, five hundred sixty-five".