27122194051 has 2 divisors, whose sum is σ = 27122194052. Its totient is φ = 27122194050.

The previous prime is 27122194049. The next prime is 27122194093. The reversal of 27122194051 is 15049122172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27122194051 - 2¹ = 27122194049 is a prime.

It is a super-2 number, since 2×27122194051² (a number of 22 digits) contains 22 as substring.

Together with 27122194049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27122193998 and 27122194016.

It is not a weakly prime, because it can be changed into another prime (27122114051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13561097025 + 13561097026.

It is an arithmetic number, because the mean of its divisors is an integer number (13561097026).

Almost surely, 2^27122194051 is an apocalyptic number.

27122194051 is a deficient number, since it is larger than the sum of its proper divisors (1).

27122194051 is an equidigital number, since it uses as much as digits as its factorization.

27122194051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 27122194051 in words is "twenty-seven billion, one hundred twenty-two million, one hundred ninety-four thousand, fifty-one".