1101108961 has 2 divisors, whose sum is σ = 1101108962. Its totient is φ = 1101108960.

The previous prime is 1101108949. The next prime is 1101108971. The reversal of 1101108961 is 1698011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886193361 + 214915600 = 29769^2 + 14660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101108961 - 2¹⁹ = 1100584673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101108971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550554480 + 550554481.

It is an arithmetic number, because the mean of its divisors is an integer number (550554481).

Almost surely, 2^1101108961 is an apocalyptic number.

It is an amenable number.

1101108961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101108961 is an equidigital number, since it uses as much as digits as its factorization.

1101108961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 28.

The square root of 1101108961 is about 33182.9619081841. The cubic root of 1101108961 is about 1032.6268954290.

Adding to 1101108961 its reverse (1698011011), we get a palindrome (2799119972).

The spelling of 1101108961 in words is "one billion, one hundred one million, one hundred eight thousand, nine hundred sixty-one".