99759191171 has 2 divisors, whose sum is σ = 99759191172. Its totient is φ = 99759191170.

The previous prime is 99759191149. The next prime is 99759191263. The reversal of 99759191171 is 17119195799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99759191171 - 2¹⁰ = 99759190147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99759191171.

It is not a weakly prime, because it can be changed into another prime (99759191071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49879595585 + 49879595586.

It is an arithmetic number, because the mean of its divisors is an integer number (49879595586).

Almost surely, 2^99759191171 is an apocalyptic number.

99759191171 is a deficient number, since it is larger than the sum of its proper divisors (1).

99759191171 is an equidigital number, since it uses as much as digits as its factorization.

99759191171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1607445, while the sum is 59.

The spelling of 99759191171 in words is "ninety-nine billion, seven hundred fifty-nine million, one hundred ninety-one thousand, one hundred seventy-one".