27211305063 has 4 divisors (see below), whose sum is σ = 36281740088. Its totient is φ = 18140870040.

The previous prime is 27211305053. The next prime is 27211305071. The reversal of 27211305063 is 36050311272.

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

It is not a de Polignac number, because 27211305063 - 2⁶ = 27211304999 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 27211305063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27211305053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4535217508 + ... + 4535217513.

It is an arithmetic number, because the mean of its divisors is an integer number (9070435022).

Almost surely, 2^27211305063 is an apocalyptic number.

27211305063 is a deficient number, since it is larger than the sum of its proper divisors (9070435025).

27211305063 is an equidigital number, since it uses as much as digits as its factorization.

27211305063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070435024.

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 27211305063 in words is "twenty-seven billion, two hundred eleven million, three hundred five thousand, sixty-three".