27726561103 has 2 divisors, whose sum is σ = 27726561104. Its totient is φ = 27726561102.

The previous prime is 27726561101. The next prime is 27726561119. The reversal of 27726561103 is 30116562772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27726561103 - 2¹ = 27726561101 is a prime.

Together with 27726561101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27726561101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863280551 + 13863280552.

It is an arithmetic number, because the mean of its divisors is an integer number (13863280552).

Almost surely, 2^27726561103 is an apocalyptic number.

27726561103 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726561103 is an equidigital number, since it uses as much as digits as its factorization.

27726561103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 27726561103 in words is "twenty-seven billion, seven hundred twenty-six million, five hundred sixty-one thousand, one hundred three".