27775555030255 has 4 divisors (see below), whose sum is σ = 33330666036312. Its totient is φ = 22220444024200.

The previous prime is 27775555030243. The next prime is 27775555030271. The reversal of 27775555030255 is 55203055557772.

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

It is not a de Polignac number, because 27775555030255 - 2⁹ = 27775555029743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27775555030255.

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, 2777555503021 + ... + 2777555503030.

It is an arithmetic number, because the mean of its divisors is an integer number (8332666509078).

Almost surely, 2^{27775555030255} is an apocalyptic number.

27775555030255 is a deficient number, since it is larger than the sum of its proper divisors (5555111006057).

27775555030255 is an equidigital number, since it uses as much as digits as its factorization.

27775555030255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555111006056.

The product of its (nonzero) digits is 64312500, while the sum is 58.

The spelling of 27775555030255 in words is "twenty-seven trillion, seven hundred seventy-five billion, five hundred fifty-five million, thirty thousand, two hundred fifty-five".