2085216125 has 16 divisors (see below), whose sum is σ = 2610766080. Its totient is φ = 1662778000.

The previous prime is 2085216113. The next prime is 2085216149. The reversal of 2085216125 is 5216125802.

It is not a de Polignac number, because 2085216125 - 2⁶ = 2085216061 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2085216091 and 2085216100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12056 + ... + 65694.

It is an arithmetic number, because the mean of its divisors is an integer number (163172880).

Almost surely, 2^2085216125 is an apocalyptic number.

2085216125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2085216125 is a deficient number, since it is larger than the sum of its proper divisors (525549955).

2085216125 is an equidigital number, since it uses as much as digits as its factorization.

2085216125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53965 (or 53955 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 2085216125 is about 45664.1667503087. The cubic root of 2085216125 is about 1277.5670184139.

The spelling of 2085216125 in words is "two billion, eighty-five million, two hundred sixteen thousand, one hundred twenty-five".