20846317111 has 2 divisors, whose sum is σ = 20846317112. Its totient is φ = 20846317110.

The previous prime is 20846317103. The next prime is 20846317159. The reversal of 20846317111 is 11171364802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20846317111 - 2³ = 20846317103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20846317211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10423158555 + 10423158556.

It is an arithmetic number, because the mean of its divisors is an integer number (10423158556).

Almost surely, 2^20846317111 is an apocalyptic number.

20846317111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20846317111 is an equidigital number, since it uses as much as digits as its factorization.

20846317111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 20846317111 in words is "twenty billion, eight hundred forty-six million, three hundred seventeen thousand, one hundred eleven".