159042811 has 2 divisors, whose sum is σ = 159042812. Its totient is φ = 159042810.

The previous prime is 159042809. The next prime is 159042817. The reversal of 159042811 is 118240951.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159042811 - 2¹ = 159042809 is a prime.

Together with 159042809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (159042817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79521405 + 79521406.

It is an arithmetic number, because the mean of its divisors is an integer number (79521406).

Almost surely, 2^159042811 is an apocalyptic number.

159042811 is a deficient number, since it is larger than the sum of its proper divisors (1).

159042811 is an equidigital number, since it uses as much as digits as its factorization.

159042811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 159042811 is about 12611.2176652376. The cubic root of 159042811 is about 541.7987694945.

The spelling of 159042811 in words is "one hundred fifty-nine million, forty-two thousand, eight hundred eleven".