20116755475343 has 2 divisors, whose sum is σ = 20116755475344. Its totient is φ = 20116755475342.

The previous prime is 20116755475303. The next prime is 20116755475351. The reversal of 20116755475343 is 34357455761102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20116755475343 - 2³⁰ = 20115681733519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116755475303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058377737671 + 10058377737672.

It is an arithmetic number, because the mean of its divisors is an integer number (10058377737672).

Almost surely, 2^{20116755475343} is an apocalyptic number.

20116755475343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116755475343 is an equidigital number, since it uses as much as digits as its factorization.

20116755475343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 20116755475343 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, four hundred seventy-five thousand, three hundred forty-three".