2112525525 has 24 divisors (see below), whose sum is σ = 3810229344. Its totient is φ = 1024254400.

The previous prime is 2112525521. The next prime is 2112525529. The reversal of 2112525525 is 5255252112.

It is an interprime number because it is at equal distance from previous prime (2112525521) and next prime (2112525529).

It is not a de Polignac number, because 2112525525 - 2² = 2112525521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112525492 and 2112525501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112525521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1279494 + ... + 1281143.

It is an arithmetic number, because the mean of its divisors is an integer number (158759556).

Almost surely, 2^2112525525 is an apocalyptic number.

2112525525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112525525 is a deficient number, since it is larger than the sum of its proper divisors (1697703819).

2112525525 is a wasteful number, since it uses less digits than its factorization.

2112525525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560661 (or 2560656 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 2112525525 is about 45962.2184516805. The cubic root of 2112525525 is about 1283.1201398068.

Adding to 2112525525 its reverse (5255252112), we get a palindrome (7367777637).

The spelling of 2112525525 in words is "two billion, one hundred twelve million, five hundred twenty-five thousand, five hundred twenty-five".