8385155512 has 16 divisors (see below), whose sum is σ = 15937539840. Its totient is φ = 4135144896.

The previous prime is 8385155509. The next prime is 8385155539. The reversal of 8385155512 is 2155515838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178488 + ... + 7179655.

It is an arithmetic number, because the mean of its divisors is an integer number (996096240).

Almost surely, 2^8385155512 is an apocalyptic number.

It is an amenable number.

8385155512 is a deficient number, since it is larger than the sum of its proper divisors (7552384328).

8385155512 is a wasteful number, since it uses less digits than its factorization.

8385155512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358222 (or 14358218 counting only the distinct ones).

The product of its digits is 240000, while the sum is 43.

The square root of 8385155512 is about 91570.4947676925. The cubic root of 8385155512 is about 2031.5945564843.

The spelling of 8385155512 in words is "eight billion, three hundred eighty-five million, one hundred fifty-five thousand, five hundred twelve".