1159557011 has 2 divisors, whose sum is σ = 1159557012. Its totient is φ = 1159557010.

The previous prime is 1159556977. The next prime is 1159557067. The reversal of 1159557011 is 1107559511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1159557011 - 2²² = 1155362707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1159557611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579778505 + 579778506.

It is an arithmetic number, because the mean of its divisors is an integer number (579778506).

Almost surely, 2^1159557011 is an apocalyptic number.

1159557011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159557011 is an equidigital number, since it uses as much as digits as its factorization.

1159557011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 35.

The square root of 1159557011 is about 34052.2688084069. The cubic root of 1159557011 is about 1050.5838056507.

The spelling of 1159557011 in words is "one billion, one hundred fifty-nine million, five hundred fifty-seven thousand, eleven".