255555580337 has 2 divisors, whose sum is σ = 255555580338. Its totient is φ = 255555580336.

The previous prime is 255555580321. The next prime is 255555580351. The reversal of 255555580337 is 733085555552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193143549361 + 62412030976 = 439481^2 + 249824^2 .

It is a cyclic number.

It is not a de Polignac number, because 255555580337 - 2⁴ = 255555580321 is a prime.

It is a super-2 number, since 2×255555580337² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255555580937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127777790168 + 127777790169.

It is an arithmetic number, because the mean of its divisors is an integer number (127777790169).

Almost surely, 2^255555580337 is an apocalyptic number.

It is an amenable number.

255555580337 is a deficient number, since it is larger than the sum of its proper divisors (1).

255555580337 is an equidigital number, since it uses as much as digits as its factorization.

255555580337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750000, while the sum is 53.

The spelling of 255555580337 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred eighty thousand, three hundred thirty-seven".