5185447000385 has 16 divisors (see below), whose sum is σ = 6299453808000. Its totient is φ = 4097383652736.

The previous prime is 5185447000381. The next prime is 5185447000421. The reversal of 5185447000385 is 5830007445815.

It is a cyclic number.

It is not a de Polignac number, because 5185447000385 - 2² = 5185447000381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5185447000381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18883775 + ... + 19156404.

It is an arithmetic number, because the mean of its divisors is an integer number (393715863000).

Almost surely, 2^{5185447000385} is an apocalyptic number.

It is an amenable number.

5185447000385 is a deficient number, since it is larger than the sum of its proper divisors (1114006807615).

5185447000385 is a wasteful number, since it uses less digits than its factorization.

5185447000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38040520.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 5185447000385 in words is "five trillion, one hundred eighty-five billion, four hundred forty-seven million, three hundred eighty-five", and thus it is an aban number.