255580467245 has 4 divisors (see below), whose sum is σ = 306696560700. Its totient is φ = 204464373792.

The previous prime is 255580467239. The next prime is 255580467257. The reversal of 255580467245 is 542764085552.

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 137642484004 + 117937983241 = 371002^2 + 343421^2 .

It is a cyclic number.

It is not a de Polignac number, because 255580467245 - 2⁴ = 255580467229 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25558046720 + ... + 25558046729.

It is an arithmetic number, because the mean of its divisors is an integer number (76674140175).

Almost surely, 2^255580467245 is an apocalyptic number.

It is an amenable number.

255580467245 is a deficient number, since it is larger than the sum of its proper divisors (51116093455).

255580467245 is an equidigital number, since it uses as much as digits as its factorization.

255580467245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51116093454.

The product of its (nonzero) digits is 13440000, while the sum is 53.

The spelling of 255580467245 in words is "two hundred fifty-five billion, five hundred eighty million, four hundred sixty-seven thousand, two hundred forty-five".