255476550361 has 2 divisors, whose sum is σ = 255476550362. Its totient is φ = 255476550360.

The previous prime is 255476550349. The next prime is 255476550379. The reversal of 255476550361 is 163055674552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250805648025 + 4670902336 = 500805^2 + 68344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255476550361 is a prime.

It is not a weakly prime, because it can be changed into another prime (255476550311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127738275180 + 127738275181.

It is an arithmetic number, because the mean of its divisors is an integer number (127738275181).

Almost surely, 2^255476550361 is an apocalyptic number.

It is an amenable number.

255476550361 is a deficient number, since it is larger than the sum of its proper divisors (1).

255476550361 is an equidigital number, since it uses as much as digits as its factorization.

255476550361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 255476550361 in words is "two hundred fifty-five billion, four hundred seventy-six million, five hundred fifty thousand, three hundred sixty-one".