1159071899 has 2 divisors, whose sum is σ = 1159071900. Its totient is φ = 1159071898.

The previous prime is 1159071871. The next prime is 1159071937. The reversal of 1159071899 is 9981709511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1159071899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1159071869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579535949 + 579535950.

It is an arithmetic number, because the mean of its divisors is an integer number (579535950).

Almost surely, 2^1159071899 is an apocalyptic number.

1159071899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159071899 is an equidigital number, since it uses as much as digits as its factorization.

1159071899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 50.

The square root of 1159071899 is about 34045.1450136433. The cubic root of 1159071899 is about 1050.4372778832.

The spelling of 1159071899 in words is "one billion, one hundred fifty-nine million, seventy-one thousand, eight hundred ninety-nine".