1115870159 has 2 divisors, whose sum is σ = 1115870160. Its totient is φ = 1115870158.

The previous prime is 1115870143. The next prime is 1115870237. The reversal of 1115870159 is 9510785111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115870159 - 2⁴ = 1115870143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115870759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557935079 + 557935080.

It is an arithmetic number, because the mean of its divisors is an integer number (557935080).

Almost surely, 2^1115870159 is an apocalyptic number.

1115870159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115870159 is an equidigital number, since it uses as much as digits as its factorization.

1115870159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 38.

The square root of 1115870159 is about 33404.6427761172. The cubic root of 1115870159 is about 1037.2208092624.

The spelling of 1115870159 in words is "one billion, one hundred fifteen million, eight hundred seventy thousand, one hundred fifty-nine".