900641108085 has 16 divisors (see below), whose sum is σ = 1441042462080. Its totient is φ = 480336361280.

The previous prime is 900641108063. The next prime is 900641108113. The reversal of 900641108085 is 580801146009.

It is not a de Polignac number, because 900641108085 - 2⁷ = 900641107957 is a prime.

It is a super-2 number, since 2×900641108085² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1218136 + ... + 1812494.

It is an arithmetic number, because the mean of its divisors is an integer number (90065153880).

Almost surely, 2^900641108085 is an apocalyptic number.

It is an amenable number.

900641108085 is a deficient number, since it is larger than the sum of its proper divisors (540401353995).

900641108085 is a wasteful number, since it uses less digits than its factorization.

900641108085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695388.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 900641108085 in words is "nine hundred billion, six hundred forty-one million, one hundred eight thousand, eighty-five".