20135635165211 has 2 divisors, whose sum is σ = 20135635165212. Its totient is φ = 20135635165210.

The previous prime is 20135635165199. The next prime is 20135635165241. The reversal of 20135635165211 is 11256153653102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20135635165211 - 2²⁶ = 20135568056347 is a prime.

It is not a weakly prime, because it can be changed into another prime (20135635165241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067817582605 + 10067817582606.

It is an arithmetic number, because the mean of its divisors is an integer number (10067817582606).

Almost surely, 2^{20135635165211} is an apocalyptic number.

20135635165211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20135635165211 is an equidigital number, since it uses as much as digits as its factorization.

20135635165211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 20135635165211 in words is "twenty trillion, one hundred thirty-five billion, six hundred thirty-five million, one hundred sixty-five thousand, two hundred eleven".