265313126130061 has 2 divisors, whose sum is σ = 265313126130062. Its totient is φ = 265313126130060.

The previous prime is 265313126130001. The next prime is 265313126130077. The reversal of 265313126130061 is 160031621313562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169565061541225 + 95748064588836 = 13021715^2 + 9785094^2 .

It is a cyclic number.

It is not a de Polignac number, because 265313126130061 - 2⁹ = 265313126129549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265313126129996 and 265313126130023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265313126130001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132656563065030 + 132656563065031.

It is an arithmetic number, because the mean of its divisors is an integer number (132656563065031).

Almost surely, 2^{265313126130061} is an apocalyptic number.

It is an amenable number.

265313126130061 is a deficient number, since it is larger than the sum of its proper divisors (1).

265313126130061 is an equidigital number, since it uses as much as digits as its factorization.

265313126130061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 265313126130061 in words is "two hundred sixty-five trillion, three hundred thirteen billion, one hundred twenty-six million, one hundred thirty thousand, sixty-one".