27306730511 has 2 divisors, whose sum is σ = 27306730512. Its totient is φ = 27306730510.

The previous prime is 27306730487. The next prime is 27306730553. The reversal of 27306730511 is 11503760372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27306730511 - 2¹⁰ = 27306729487 is a prime.

It is a super-2 number, since 2×27306730511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27306780511) 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 as a sum of consecutive naturals, namely, 13653365255 + 13653365256.

It is an arithmetic number, because the mean of its divisors is an integer number (13653365256).

Almost surely, 2^27306730511 is an apocalyptic number.

27306730511 is a deficient number, since it is larger than the sum of its proper divisors (1).

27306730511 is an equidigital number, since it uses as much as digits as its factorization.

27306730511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The spelling of 27306730511 in words is "twenty-seven billion, three hundred six million, seven hundred thirty thousand, five hundred eleven".