27755052755555 has 4 divisors (see below), whose sum is σ = 33306063306672. Its totient is φ = 22204042204440.

The previous prime is 27755052755539. The next prime is 27755052755659. The reversal of 27755052755555 is 55555725055772.

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

It is not a de Polignac number, because 27755052755555 - 2⁴ = 27755052755539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27755052755491 and 27755052755500.

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, 2775505275551 + ... + 2775505275560.

It is an arithmetic number, because the mean of its divisors is an integer number (8326515826668).

Almost surely, 2^{27755052755555} is an apocalyptic number.

27755052755555 is a deficient number, since it is larger than the sum of its proper divisors (5551010551117).

27755052755555 is an equidigital number, since it uses as much as digits as its factorization.

27755052755555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551010551116.

The product of its (nonzero) digits is 535937500, while the sum is 65.

The spelling of 27755052755555 in words is "twenty-seven trillion, seven hundred fifty-five billion, fifty-two million, seven hundred fifty-five thousand, five hundred fifty-five".