1100680289 has 2 divisors, whose sum is σ = 1100680290. Its totient is φ = 1100680288.

The previous prime is 1100680277. The next prime is 1100680291. The reversal of 1100680289 is 9820860011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624000400 + 476679889 = 24980^2 + 21833^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100680289 - 2¹² = 1100676193 is a prime.

It is a super-2 number, since 2×1100680289² = 2422994197186247042, which contains 22 as substring.

Together with 1100680291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1100880289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550340144 + 550340145.

It is an arithmetic number, because the mean of its divisors is an integer number (550340145).

Almost surely, 2^1100680289 is an apocalyptic number.

It is an amenable number.

1100680289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100680289 is an equidigital number, since it uses as much as digits as its factorization.

1100680289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1100680289 is about 33176.5020609467. The cubic root of 1100680289 is about 1032.4928742715.

The spelling of 1100680289 in words is "one billion, one hundred million, six hundred eighty thousand, two hundred eighty-nine".