2112357026025 has 27 divisors (see below), whose sum is σ = 3783505188229. Its totient is φ = 1126578786720.

The previous prime is 2112357025903. The next prime is 2112357026047. The reversal of 2112357026025 is 5206207532112.

The square root of 2112357026025 is 1453395.

It is a perfect power (a square), and thus also a powerful number.

2112357026025 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 3 + 570 + 2 + 60 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 189164974761 + 1923192051264 = 434931^2 + 1386792^2 .

It is not a de Polignac number, because 2112357026025 - 2¹⁹ = 2112356501737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21752479 + ... + 21849371.

Almost surely, 2^{2112357026025} is an apocalyptic number.

2112357026025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2112357026025 is the 1453395-th square number.

2112357026025 is the 726698-th centered octagonal number.

It is an amenable number.

2112357026025 is a deficient number, since it is larger than the sum of its proper divisors (1671148162204).

2112357026025 is an frugal number, since it uses more digits than its factorization.

2112357026025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193802 (or 96901 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Multiplying 2112357026025 by its sum of digits (36), we get a square (76044852936900 = 8720370²).

The spelling of 2112357026025 in words is "two trillion, one hundred twelve billion, three hundred fifty-seven million, twenty-six thousand, twenty-five".