5185664580285 has 24 divisors (see below), whose sum is σ = 10272554597760. Its totient is φ = 2370589522272.

The previous prime is 5185664580281. The next prime is 5185664580287. The reversal of 5185664580285 is 5820854665815.

5185664580285 is a `hidden beast` number, since 5 + 1 + 8 + 566 + 45 + 8 + 0 + 28 + 5 = 666.

It is not a de Polignac number, because 5185664580285 - 2² = 5185664580281 is a prime.

It is a super-2 number, since 2×5185664580285² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185664580281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8231213305 + ... + 8231213934.

It is an arithmetic number, because the mean of its divisors is an integer number (428023108240).

Almost surely, 2^{5185664580285} is an apocalyptic number.

It is an amenable number.

5185664580285 is a deficient number, since it is larger than the sum of its proper divisors (5086890017475).

5185664580285 is a wasteful number, since it uses less digits than its factorization.

5185664580285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16462427257 (or 16462427254 counting only the distinct ones).

The product of its (nonzero) digits is 92160000, while the sum is 63.

The spelling of 5185664580285 in words is "five trillion, one hundred eighty-five billion, six hundred sixty-four million, five hundred eighty thousand, two hundred eighty-five".