2205025122505 has 16 divisors (see below), whose sum is σ = 2653994575440. Its totient is φ = 1758714455808.

The previous prime is 2205025122407. The next prime is 2205025122577. The reversal of 2205025122505 is 5052215205022.

It can be written as a sum of positive squares in 8 ways, for example, as 156173555344 + 2048851567161 = 395188^2 + 1431381^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205025122505 - 2²⁹ = 2204488251593 is a prime.

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, 4212679 + ... + 4707091.

It is an arithmetic number, because the mean of its divisors is an integer number (165874660965).

Almost surely, 2^{2205025122505} is an apocalyptic number.

It is an amenable number.

2205025122505 is a deficient number, since it is larger than the sum of its proper divisors (448969452935).

2205025122505 is a wasteful number, since it uses less digits than its factorization.

2205025122505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497100.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 2205025122505 in words is "two trillion, two hundred five billion, twenty-five million, one hundred twenty-two thousand, five hundred five".