1161106559 has 2 divisors, whose sum is σ = 1161106560. Its totient is φ = 1161106558.

The previous prime is 1161106469. The next prime is 1161106601. The reversal of 1161106559 is 9556011611.

It is a strong prime.

It is an emirp because it is prime and its reverse (9556011611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161106559 - 2¹² = 1161102463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161106459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580553279 + 580553280.

It is an arithmetic number, because the mean of its divisors is an integer number (580553280).

Almost surely, 2^1161106559 is an apocalyptic number.

1161106559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161106559 is an equidigital number, since it uses as much as digits as its factorization.

1161106559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 1161106559 is about 34075.0137050596. The cubic root of 1161106559 is about 1051.0515720500.

The spelling of 1161106559 in words is "one billion, one hundred sixty-one million, one hundred six thousand, five hundred fifty-nine".