2161367136011 has 2 divisors, whose sum is σ = 2161367136012. Its totient is φ = 2161367136010.

The previous prime is 2161367135999. The next prime is 2161367136017. The reversal of 2161367136011 is 1106317631612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2161367136011 - 2¹⁰ = 2161367134987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2161367136017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080683568005 + 1080683568006.

It is an arithmetic number, because the mean of its divisors is an integer number (1080683568006).

Almost surely, 2^{2161367136011} is an apocalyptic number.

2161367136011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161367136011 is an equidigital number, since it uses as much as digits as its factorization.

2161367136011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 2161367136011 in words is "two trillion, one hundred sixty-one billion, three hundred sixty-seven million, one hundred thirty-six thousand, eleven".