10085705018 has 8 divisors (see below), whose sum is σ = 15128987412. Its totient is φ = 5042709216.

The previous prime is 10085705017. The next prime is 10085705023. The reversal of 10085705018 is 81050758001.

10085705018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9965429929 + 120275089 = 99827^2 + 10967^2 .

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

It is a super-2 number, since 2×10085705018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10085705017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83696 + ... + 164852.

Almost surely, 2^10085705018 is an apocalyptic number.

10085705018 is a deficient number, since it is larger than the sum of its proper divisors (5043282394).

10085705018 is an equidigital number, since it uses as much as digits as its factorization.

10085705018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143296.

The product of its (nonzero) digits is 11200, while the sum is 35.

The spelling of 10085705018 in words is "ten billion, eighty-five million, seven hundred five thousand, eighteen".