27038771251 has 2 divisors, whose sum is σ = 27038771252. Its totient is φ = 27038771250.

The previous prime is 27038771197. The next prime is 27038771293. The reversal of 27038771251 is 15217783072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27038771251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27038771198 and 27038771207.

It is not a weakly prime, because it can be changed into another prime (27038774251) 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, 13519385625 + 13519385626.

It is an arithmetic number, because the mean of its divisors is an integer number (13519385626).

Almost surely, 2^27038771251 is an apocalyptic number.

27038771251 is a deficient number, since it is larger than the sum of its proper divisors (1).

27038771251 is an equidigital number, since it uses as much as digits as its factorization.

27038771251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 27038771251 in words is "twenty-seven billion, thirty-eight million, seven hundred seventy-one thousand, two hundred fifty-one".