1161017443 has 2 divisors, whose sum is σ = 1161017444. Its totient is φ = 1161017442.

The previous prime is 1161017423. The next prime is 1161017471. The reversal of 1161017443 is 3447101611.

It is a happy number.

It is an a-pointer prime, because the next prime (1161017471) can be obtained adding 1161017443 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161017443 - 2¹⁷ = 1160886371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161017423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580508721 + 580508722.

It is an arithmetic number, because the mean of its divisors is an integer number (580508722).

Almost surely, 2^1161017443 is an apocalyptic number.

1161017443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161017443 is an equidigital number, since it uses as much as digits as its factorization.

1161017443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1161017443 is about 34073.7060355929. The cubic root of 1161017443 is about 1051.0246816359.

The spelling of 1161017443 in words is "one billion, one hundred sixty-one million, seventeen thousand, four hundred forty-three".