255011226577 has 2 divisors, whose sum is σ = 255011226578. Its totient is φ = 255011226576.

The previous prime is 255011226539. The next prime is 255011226583. The reversal of 255011226577 is 775622110552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254692818241 + 318408336 = 504671^2 + 17844^2 .

It is a cyclic number.

It is not a de Polignac number, because 255011226577 - 2²⁷ = 254877008849 is a prime.

It is a super-2 number, since 2×255011226577² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255011220577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127505613288 + 127505613289.

It is an arithmetic number, because the mean of its divisors is an integer number (127505613289).

Almost surely, 2^255011226577 is an apocalyptic number.

It is an amenable number.

255011226577 is a deficient number, since it is larger than the sum of its proper divisors (1).

255011226577 is an equidigital number, since it uses as much as digits as its factorization.

255011226577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 43.

The spelling of 255011226577 in words is "two hundred fifty-five billion, eleven million, two hundred twenty-six thousand, five hundred seventy-seven".