10204243360261 has 4 divisors (see below), whose sum is σ = 10204250617132. Its totient is φ = 10204236103392.

The previous prime is 10204243360183. The next prime is 10204243360291. The reversal of 10204243360261 is 16206334240201.

10204243360261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3228781328161 + 6975462032100 = 1796881^2 + 2641110^2 .

It is a cyclic number.

It is not a de Polignac number, because 10204243360261 - 2¹¹ = 10204243358213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204243360291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767046 + ... + 4582231.

It is an arithmetic number, because the mean of its divisors is an integer number (2551062654283).

Almost surely, 2^{10204243360261} is an apocalyptic number.

It is an amenable number.

10204243360261 is a deficient number, since it is larger than the sum of its proper divisors (7256871).

10204243360261 is an equidigital number, since it uses as much as digits as its factorization.

10204243360261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7256870.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 10204243360261 in words is "ten trillion, two hundred four billion, two hundred forty-three million, three hundred sixty thousand, two hundred sixty-one".