20231664325111 has 2 divisors, whose sum is σ = 20231664325112. Its totient is φ = 20231664325110.

The previous prime is 20231664325091. The next prime is 20231664325153. The reversal of 20231664325111 is 11152346613202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231664325111 - 2²⁹ = 20231127454199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231664325711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115832162555 + 10115832162556.

It is an arithmetic number, because the mean of its divisors is an integer number (10115832162556).

Almost surely, 2^{20231664325111} is an apocalyptic number.

20231664325111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231664325111 is an equidigital number, since it uses as much as digits as its factorization.

20231664325111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20231664325111 in words is "twenty trillion, two hundred thirty-one billion, six hundred sixty-four million, three hundred twenty-five thousand, one hundred eleven".