27071536901 has 2 divisors, whose sum is σ = 27071536902. Its totient is φ = 27071536900.

The previous prime is 27071536879. The next prime is 27071536913. The reversal of 27071536901 is 10963517072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18063628801 + 9007908100 = 134401^2 + 94910^2 .

It is a cyclic number.

It is not a de Polignac number, because 27071536901 - 2³⁴ = 9891667717 is a prime.

It is a super-2 number, since 2×27071536901² (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 (27071536951) 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, 13535768450 + 13535768451.

It is an arithmetic number, because the mean of its divisors is an integer number (13535768451).

Almost surely, 2^27071536901 is an apocalyptic number.

It is an amenable number.

27071536901 is a deficient number, since it is larger than the sum of its proper divisors (1).

27071536901 is an equidigital number, since it uses as much as digits as its factorization.

27071536901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 27071536901 in words is "twenty-seven billion, seventy-one million, five hundred thirty-six thousand, nine hundred one".