265255061251 has 2 divisors, whose sum is σ = 265255061252. Its totient is φ = 265255061250.

The previous prime is 265255061209. The next prime is 265255061261. The reversal of 265255061251 is 152160552562.

265255061251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265255061251 - 2¹⁵ = 265255028483 is a prime.

It is not a weakly prime, because it can be changed into another prime (265255061261) by changing a digit.

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 as a sum of consecutive naturals, namely, 132627530625 + 132627530626.

It is an arithmetic number, because the mean of its divisors is an integer number (132627530626).

Almost surely, 2^265255061251 is an apocalyptic number.

265255061251 is a deficient number, since it is larger than the sum of its proper divisors (1).

265255061251 is an equidigital number, since it uses as much as digits as its factorization.

265255061251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 265255061251 in words is "two hundred sixty-five billion, two hundred fifty-five million, sixty-one thousand, two hundred fifty-one".