8585551265 has 4 divisors (see below), whose sum is σ = 10302661524. Its totient is φ = 6868441008.

The previous prime is 8585551253. The next prime is 8585551267. The reversal of 8585551265 is 5621555858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1439215969 + 7146335296 = 37937^2 + 84536^2 .

It is a cyclic number.

It is not a de Polignac number, because 8585551265 - 2¹⁰ = 8585550241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8585551267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858555122 + ... + 858555131.

It is an arithmetic number, because the mean of its divisors is an integer number (2575665381).

Almost surely, 2^8585551265 is an apocalyptic number.

It is an amenable number.

8585551265 is a deficient number, since it is larger than the sum of its proper divisors (1717110259).

8585551265 is a wasteful number, since it uses less digits than its factorization.

8585551265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717110258.

The product of its digits is 2400000, while the sum is 50.

The square root of 8585551265 is about 92658.2498485699. The cubic root of 8585551265 is about 2047.6515851978.

The spelling of 8585551265 in words is "eight billion, five hundred eighty-five million, five hundred fifty-one thousand, two hundred sixty-five".