27251154089 has 2 divisors, whose sum is σ = 27251154090. Its totient is φ = 27251154088.

The previous prime is 27251154059. The next prime is 27251154121. The reversal of 27251154089 is 98045115272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26153358400 + 1097795689 = 161720^2 + 33133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27251154089 is a prime.

It is not a weakly prime, because it can be changed into another prime (27251154059) 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, 13625577044 + 13625577045.

It is an arithmetic number, because the mean of its divisors is an integer number (13625577045).

Almost surely, 2^27251154089 is an apocalyptic number.

It is an amenable number.

27251154089 is a deficient number, since it is larger than the sum of its proper divisors (1).

27251154089 is an equidigital number, since it uses as much as digits as its factorization.

27251154089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 27251154089 in words is "twenty-seven billion, two hundred fifty-one million, one hundred fifty-four thousand, eighty-nine".