27135316475537 has 2 divisors, whose sum is σ = 27135316475538. Its totient is φ = 27135316475536.

The previous prime is 27135316475507. The next prime is 27135316475587. The reversal of 27135316475537 is 73557461353172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27049402417216 + 85914058321 = 5200904^2 + 293111^2 .

It is a cyclic number.

It is not a de Polignac number, because 27135316475537 - 2¹² = 27135316471441 is a prime.

It is not a weakly prime, because it can be changed into another prime (27135316475507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13567658237768 + 13567658237769.

It is an arithmetic number, because the mean of its divisors is an integer number (13567658237769).

Almost surely, 2^{27135316475537} is an apocalyptic number.

It is an amenable number.

27135316475537 is a deficient number, since it is larger than the sum of its proper divisors (1).

27135316475537 is an equidigital number, since it uses as much as digits as its factorization.

27135316475537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55566000, while the sum is 59.

The spelling of 27135316475537 in words is "twenty-seven trillion, one hundred thirty-five billion, three hundred sixteen million, four hundred seventy-five thousand, five hundred thirty-seven".