20052347711191 has 2 divisors, whose sum is σ = 20052347711192. Its totient is φ = 20052347711190.

The previous prime is 20052347711119. The next prime is 20052347711299. The reversal of 20052347711191 is 19111774325002.

Together with previous prime (20052347711119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20052347711191 - 2²³ = 20052339322583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20052347711111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026173855595 + 10026173855596.

It is an arithmetic number, because the mean of its divisors is an integer number (10026173855596).

Almost surely, 2^{20052347711191} is an apocalyptic number.

20052347711191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052347711191 is an equidigital number, since it uses as much as digits as its factorization.

20052347711191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 20052347711191 in words is "twenty trillion, fifty-two billion, three hundred forty-seven million, seven hundred eleven thousand, one hundred ninety-one".