1103040161 has 2 divisors, whose sum is σ = 1103040162. Its totient is φ = 1103040160.

The previous prime is 1103040091. The next prime is 1103040163. The reversal of 1103040161 is 1610403011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760049761 + 342990400 = 27569^2 + 18520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103040161 - 2²² = 1098845857 is a prime.

Together with 1103040163, 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 (1103040163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551520080 + 551520081.

It is an arithmetic number, because the mean of its divisors is an integer number (551520081).

Almost surely, 2^1103040161 is an apocalyptic number.

It is an amenable number.

1103040161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103040161 is an equidigital number, since it uses as much as digits as its factorization.

1103040161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1103040161 is about 33212.0484312546. The cubic root of 1103040161 is about 1033.2302399982.

Adding to 1103040161 its reverse (1610403011), we get a palindrome (2713443172).

The spelling of 1103040161 in words is "one billion, one hundred three million, forty thousand, one hundred sixty-one".