10781707225 has 27 divisors (see below), whose sum is σ = 14122920573. Its totient is φ = 8163923040.

The previous prime is 10781707193. The next prime is 10781707243. The reversal of 10781707225 is 52270718701.

The square root of 10781707225 is 103835.

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

10781707225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2684586969 + 8097120256 = 51813^2 + 89984^2 .

It is not a de Polignac number, because 10781707225 - 2⁵ = 10781707193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9863779 + ... + 9864871.

Almost surely, 2^10781707225 is an apocalyptic number.

10781707225 is the 103835-th square number.

10781707225 is the 51918-th centered octagonal number.

It is an amenable number.

10781707225 is a deficient number, since it is larger than the sum of its proper divisors (3341213348).

10781707225 is an frugal number, since it uses more digits than its factorization.

10781707225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 10781707225 in words is "ten billion, seven hundred eighty-one million, seven hundred seven thousand, two hundred twenty-five".