250555555255 has 4 divisors (see below), whose sum is σ = 300666666312. Its totient is φ = 200444444200.

The previous prime is 250555555249. The next prime is 250555555301. The reversal of 250555555255 is 552555555052.

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

It is not a de Polignac number, because 250555555255 - 2²⁷ = 250421337527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250555555199 and 250555555208.

It is a congruent number.

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, 25055555521 + ... + 25055555530.

It is an arithmetic number, because the mean of its divisors is an integer number (75166666578).

Almost surely, 2^250555555255 is an apocalyptic number.

250555555255 is a deficient number, since it is larger than the sum of its proper divisors (50111111057).

250555555255 is an equidigital number, since it uses as much as digits as its factorization.

250555555255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111111056.

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 250555555255 in words is "two hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, two hundred fifty-five".