27106216051 has 4 divisors (see below), whose sum is σ = 27148372552. Its totient is φ = 27064059552.

The previous prime is 27106216043. The next prime is 27106216073. The reversal of 27106216051 is 15061260172.

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 27106216051 - 2³ = 27106216043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27106216001) 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, 21077286 + ... + 21078571.

It is an arithmetic number, because the mean of its divisors is an integer number (6787093138).

Almost surely, 2^27106216051 is an apocalyptic number.

27106216051 is a deficient number, since it is larger than the sum of its proper divisors (42156501).

27106216051 is an equidigital number, since it uses as much as digits as its factorization.

27106216051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42156500.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 27106216051 in words is "twenty-seven billion, one hundred six million, two hundred sixteen thousand, fifty-one".