198733608911 has 2 divisors, whose sum is σ = 198733608912. Its totient is φ = 198733608910.

The previous prime is 198733608883. The next prime is 198733608917. The reversal of 198733608911 is 119806337891.

It is a strong prime.

It is an emirp because it is prime and its reverse (119806337891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198733608911 - 2¹⁴ = 198733592527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198733608917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99366804455 + 99366804456.

It is an arithmetic number, because the mean of its divisors is an integer number (99366804456).

Almost surely, 2^198733608911 is an apocalyptic number.

198733608911 is a deficient number, since it is larger than the sum of its proper divisors (1).

198733608911 is an equidigital number, since it uses as much as digits as its factorization.

198733608911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 198733608911 in words is "one hundred ninety-eight billion, seven hundred thirty-three million, six hundred eight thousand, nine hundred eleven".