1159809841 has 2 divisors, whose sum is σ = 1159809842. Its totient is φ = 1159809840.

The previous prime is 1159809829. The next prime is 1159809863. The reversal of 1159809841 is 1489089511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871489441 + 288320400 = 29521^2 + 16980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159809841 - 2¹¹ = 1159807793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1159809791 and 1159809800.

It is not a weakly prime, because it can be changed into another prime (1159809821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579904920 + 579904921.

It is an arithmetic number, because the mean of its divisors is an integer number (579904921).

Almost surely, 2^1159809841 is an apocalyptic number.

It is an amenable number.

1159809841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159809841 is an equidigital number, since it uses as much as digits as its factorization.

1159809841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 46.

The square root of 1159809841 is about 34055.9809871922. The cubic root of 1159809841 is about 1050.6601565899.

The spelling of 1159809841 in words is "one billion, one hundred fifty-nine million, eight hundred nine thousand, eight hundred forty-one".