1103052161 has 2 divisors, whose sum is σ = 1103052162. Its totient is φ = 1103052160.

The previous prime is 1103052143. The next prime is 1103052187. The reversal of 1103052161 is 1612503011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758727025 + 344325136 = 27545^2 + 18556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103052161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1103052061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551526080 + 551526081.

It is an arithmetic number, because the mean of its divisors is an integer number (551526081).

Almost surely, 2^1103052161 is an apocalyptic number.

It is an amenable number.

1103052161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103052161 is an equidigital number, since it uses as much as digits as its factorization.

1103052161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1103052161 is about 33212.2290880934. The cubic root of 1103052161 is about 1033.2339868300.

Adding to 1103052161 its reverse (1612503011), we get a palindrome (2715555172).

The spelling of 1103052161 in words is "one billion, one hundred three million, fifty-two thousand, one hundred sixty-one".