20134051113191 has 2 divisors, whose sum is σ = 20134051113192. Its totient is φ = 20134051113190.

The previous prime is 20134051113181. The next prime is 20134051113227. The reversal of 20134051113191 is 19131115043102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20134051113191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134051113181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067025556595 + 10067025556596.

It is an arithmetic number, because the mean of its divisors is an integer number (10067025556596).

Almost surely, 2^{20134051113191} is an apocalyptic number.

20134051113191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134051113191 is an equidigital number, since it uses as much as digits as its factorization.

20134051113191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

Adding to 20134051113191 its reverse (19131115043102), we get a palindrome (39265166156293).

The spelling of 20134051113191 in words is "twenty trillion, one hundred thirty-four billion, fifty-one million, one hundred thirteen thousand, one hundred ninety-one".