255465453305 has 4 divisors (see below), whose sum is σ = 306558543972. Its totient is φ = 204372362640.

The previous prime is 255465453281. The next prime is 255465453343. The reversal of 255465453305 is 503354564552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118041032041 + 137424421264 = 343571^2 + 370708^2 .

It is not a de Polignac number, because 255465453305 - 2³⁰ = 254391711481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255465453305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25546545326 + ... + 25546545335.

It is an arithmetic number, because the mean of its divisors is an integer number (76639635993).

Almost surely, 2^255465453305 is an apocalyptic number.

It is an amenable number.

255465453305 is a deficient number, since it is larger than the sum of its proper divisors (51093090667).

255465453305 is an equidigital number, since it uses as much as digits as its factorization.

255465453305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51093090666.

The product of its (nonzero) digits is 5400000, while the sum is 47.

The spelling of 255465453305 in words is "two hundred fifty-five billion, four hundred sixty-five million, four hundred fifty-three thousand, three hundred five".