2112115265125 has 16 divisors (see below), whose sum is σ = 2636405154864. Its totient is φ = 1689381120000.

The previous prime is 2112115265119. The next prime is 2112115265149. The reversal of 2112115265125 is 5215625112112.

It can be written as a sum of positive squares in 8 ways, for example, as 308098264356 + 1804017000769 = 555066^2 + 1343137^2 .

It is not a de Polignac number, because 2112115265125 - 2⁷ = 2112115264997 is a prime.

It is a super-2 number, since 2×2112115265125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872616 + ... + 2232865.

It is an arithmetic number, because the mean of its divisors is an integer number (164775322179).

Almost surely, 2^{2112115265125} is an apocalyptic number.

2112115265125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112115265125 is a deficient number, since it is larger than the sum of its proper divisors (524289889739).

2112115265125 is an equidigital number, since it uses as much as digits as its factorization.

2112115265125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110937 (or 3110927 counting only the distinct ones).

The product of its digits is 12000, while the sum is 34.

The spelling of 2112115265125 in words is "two trillion, one hundred twelve billion, one hundred fifteen million, two hundred sixty-five thousand, one hundred twenty-five".