10010...11111 (872-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

Just showing those entries submitted by 'Bajpai': (Click here to show all)

The largest non-titanic prime that shows the distribution of prime numbers using "0" for primes and "1" for nonprime numbers. The next such prime contains 1395 digits. [Bajpai]