27146819011 has 4 divisors (see below), whose sum is σ = 29235035872. Its totient is φ = 25058602152.

The previous prime is 27146818999. The next prime is 27146819027. The reversal of 27146819011 is 11091864172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27146819011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27146819041) 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, 1044108411 + ... + 1044108436.

It is an arithmetic number, because the mean of its divisors is an integer number (7308758968).

Almost surely, 2^27146819011 is an apocalyptic number.

27146819011 is a deficient number, since it is larger than the sum of its proper divisors (2088216861).

27146819011 is a wasteful number, since it uses less digits than its factorization.

27146819011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088216860.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 27146819011 in words is "twenty-seven billion, one hundred forty-six million, eight hundred nineteen thousand, eleven".