255918542205 has 8 divisors (see below), whose sum is σ = 409469667552. Its totient is φ = 136489889168.

The previous prime is 255918542203. The next prime is 255918542207. The reversal of 255918542205 is 502245819552.

It is an interprime number because it is at equal distance from previous prime (255918542203) and next prime (255918542207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255918542205 - 2¹ = 255918542203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255918542203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8530618059 + ... + 8530618088.

It is an arithmetic number, because the mean of its divisors is an integer number (51183708444).

Almost surely, 2^255918542205 is an apocalyptic number.

It is an amenable number.

255918542205 is a deficient number, since it is larger than the sum of its proper divisors (153551125347).

255918542205 is a wasteful number, since it uses less digits than its factorization.

255918542205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061236155.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 255918542205 in words is "two hundred fifty-five billion, nine hundred eighteen million, five hundred forty-two thousand, two hundred five".