255442343055199 has 4 divisors (see below), whose sum is σ = 255655034432800. Its totient is φ = 255229651677600.

The previous prime is 255442343055187. The next prime is 255442343055217. The reversal of 255442343055199 is 991550343244552.

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

It is a cyclic number.

It is not a de Polignac number, because 255442343055199 - 2²³ = 255442334666591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255442343055149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106345686999 + ... + 106345689400.

It is an arithmetic number, because the mean of its divisors is an integer number (63913758608200).

Almost surely, 2^{255442343055199} is an apocalyptic number.

255442343055199 is a deficient number, since it is larger than the sum of its proper divisors (212691377601).

255442343055199 is a wasteful number, since it uses less digits than its factorization.

255442343055199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212691377600.

The product of its (nonzero) digits is 116640000, while the sum is 61.

The spelling of 255442343055199 in words is "two hundred fifty-five trillion, four hundred forty-two billion, three hundred forty-three million, fifty-five thousand, one hundred ninety-nine".