5156521008585 has 8 divisors (see below), whose sum is σ = 8250433613760. Its totient is φ = 2750144537904.

The previous prime is 5156521008581. The next prime is 5156521008619. The reversal of 5156521008585 is 5858001256515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5156521008585 - 2² = 5156521008581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5156521008581) 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, 171884033605 + ... + 171884033634.

It is an arithmetic number, because the mean of its divisors is an integer number (1031304201720).

Almost surely, 2^{5156521008585} is an apocalyptic number.

It is an amenable number.

5156521008585 is a deficient number, since it is larger than the sum of its proper divisors (3093912605175).

5156521008585 is a wasteful number, since it uses less digits than its factorization.

5156521008585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343768067247.

The product of its (nonzero) digits is 2400000, while the sum is 51.

The spelling of 5156521008585 in words is "five trillion, one hundred fifty-six billion, five hundred twenty-one million, eight thousand, five hundred eighty-five".