4506505517191 has 2 divisors, whose sum is σ = 4506505517192. Its totient is φ = 4506505517190.

The previous prime is 4506505517089. The next prime is 4506505517221. The reversal of 4506505517191 is 1917155056054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4506505517191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4506505547191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253252758595 + 2253252758596.

It is an arithmetic number, because the mean of its divisors is an integer number (2253252758596).

Almost surely, 2^{4506505517191} is an apocalyptic number.

4506505517191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4506505517191 is an equidigital number, since it uses as much as digits as its factorization.

4506505517191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 49.

The spelling of 4506505517191 in words is "four trillion, five hundred six billion, five hundred five million, five hundred seventeen thousand, one hundred ninety-one".