255755180117 has 2 divisors, whose sum is σ = 255755180118. Its totient is φ = 255755180116.

The previous prime is 255755180039. The next prime is 255755180287. The reversal of 255755180117 is 711081557552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203950688881 + 51804491236 = 451609^2 + 227606^2 .

It is a cyclic number.

It is not a de Polignac number, because 255755180117 - 2⁸ = 255755179861 is a prime.

It is a super-2 number, since 2×255755180117² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255755189117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127877590058 + 127877590059.

It is an arithmetic number, because the mean of its divisors is an integer number (127877590059).

Almost surely, 2^255755180117 is an apocalyptic number.

It is an amenable number.

255755180117 is a deficient number, since it is larger than the sum of its proper divisors (1).

255755180117 is an equidigital number, since it uses as much as digits as its factorization.

255755180117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490000, while the sum is 47.

The spelling of 255755180117 in words is "two hundred fifty-five billion, seven hundred fifty-five million, one hundred eighty thousand, one hundred seventeen".