255665761301 has 2 divisors, whose sum is σ = 255665761302. Its totient is φ = 255665761300.

The previous prime is 255665761283. The next prime is 255665761367. The reversal of 255665761301 is 103167566552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209461828900 + 46203932401 = 457670^2 + 214951^2 .

It is a cyclic number.

It is not a de Polignac number, because 255665761301 - 2⁶ = 255665761237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255665751301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127832880650 + 127832880651.

It is an arithmetic number, because the mean of its divisors is an integer number (127832880651).

Almost surely, 2^255665761301 is an apocalyptic number.

It is an amenable number.

255665761301 is a deficient number, since it is larger than the sum of its proper divisors (1).

255665761301 is an equidigital number, since it uses as much as digits as its factorization.

255665761301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 255665761301 in words is "two hundred fifty-five billion, six hundred sixty-five million, seven hundred sixty-one thousand, three hundred one".