5671561211 has 2 divisors, whose sum is σ = 5671561212. Its totient is φ = 5671561210.

The previous prime is 5671561183. The next prime is 5671561213. The reversal of 5671561211 is 1121651765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5671561211 - 2¹⁰ = 5671560187 is a prime.

It is a Sophie Germain prime.

Together with 5671561213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5671561213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835780605 + 2835780606.

It is an arithmetic number, because the mean of its divisors is an integer number (2835780606).

Almost surely, 2^5671561211 is an apocalyptic number.

5671561211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671561211 is an equidigital number, since it uses as much as digits as its factorization.

5671561211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 35.

The square root of 5671561211 is about 75309.7683637388. The cubic root of 5671561211 is about 1783.3402342373.

The spelling of 5671561211 in words is "five billion, six hundred seventy-one million, five hundred sixty-one thousand, two hundred eleven".