135637536571211 has 2 divisors, whose sum is σ = 135637536571212. Its totient is φ = 135637536571210.

The previous prime is 135637536571157. The next prime is 135637536571217. The reversal of 135637536571211 is 112175635736531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135637536571211 - 2¹⁰ = 135637536570187 is a prime.

It is not a weakly prime, because it can be changed into another prime (135637536571217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67818768285605 + 67818768285606.

It is an arithmetic number, because the mean of its divisors is an integer number (67818768285606).

Almost surely, 2^{135637536571211} is an apocalyptic number.

135637536571211 is a deficient number, since it is larger than the sum of its proper divisors (1).

135637536571211 is an equidigital number, since it uses as much as digits as its factorization.

135637536571211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907000, while the sum is 56.

The spelling of 135637536571211 in words is "one hundred thirty-five trillion, six hundred thirty-seven billion, five hundred thirty-six million, five hundred seventy-one thousand, two hundred eleven".