20061517343159 has 2 divisors, whose sum is σ = 20061517343160. Its totient is φ = 20061517343158.

The previous prime is 20061517343141. The next prime is 20061517343213. The reversal of 20061517343159 is 95134371516002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20061517343159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20061517343059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030758671579 + 10030758671580.

It is an arithmetic number, because the mean of its divisors is an integer number (10030758671580).

Almost surely, 2^{20061517343159} is an apocalyptic number.

20061517343159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061517343159 is an equidigital number, since it uses as much as digits as its factorization.

20061517343159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 20061517343159 in words is "twenty trillion, sixty-one billion, five hundred seventeen million, three hundred forty-three thousand, one hundred fifty-nine".