213266115871 has 2 divisors, whose sum is σ = 213266115872. Its totient is φ = 213266115870.

The previous prime is 213266115857. The next prime is 213266115899. The reversal of 213266115871 is 178511662312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213266115871 - 2³⁷ = 75827162399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213264115871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106633057935 + 106633057936.

It is an arithmetic number, because the mean of its divisors is an integer number (106633057936).

Almost surely, 2^213266115871 is an apocalyptic number.

213266115871 is a deficient number, since it is larger than the sum of its proper divisors (1).

213266115871 is an equidigital number, since it uses as much as digits as its factorization.

213266115871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 213266115871 in words is "two hundred thirteen billion, two hundred sixty-six million, one hundred fifteen thousand, eight hundred seventy-one".