85018510001 has 8 divisors (see below), whose sum is σ = 85475646120. Its totient is φ = 84562121088.

The previous prime is 85018509977. The next prime is 85018510007. The reversal of 85018510001 is 10001581058.

It can be written as a sum of positive squares in 4 ways, for example, as 62538005776 + 22480504225 = 250076^2 + 149935^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85018510001 - 2¹⁰ = 85018508977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85018510007) 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, 42125 + ... + 414501.

It is an arithmetic number, because the mean of its divisors is an integer number (10684455765).

Almost surely, 2^85018510001 is an apocalyptic number.

It is an amenable number.

85018510001 is a deficient number, since it is larger than the sum of its proper divisors (457136119).

85018510001 is a wasteful number, since it uses less digits than its factorization.

85018510001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373603.

The product of its (nonzero) digits is 1600, while the sum is 29.

The spelling of 85018510001 in words is "eighty-five billion, eighteen million, five hundred ten thousand, one".