159550331579 has 2 divisors, whose sum is σ = 159550331580. Its totient is φ = 159550331578.

The previous prime is 159550331543. The next prime is 159550331593. The reversal of 159550331579 is 975133055951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159550331579 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159550331579.

It is not a weakly prime, because it can be changed into another prime (159550331179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79775165789 + 79775165790.

It is an arithmetic number, because the mean of its divisors is an integer number (79775165790).

Almost surely, 2^159550331579 is an apocalyptic number.

159550331579 is a deficient number, since it is larger than the sum of its proper divisors (1).

159550331579 is an equidigital number, since it uses as much as digits as its factorization.

159550331579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3189375, while the sum is 53.

The spelling of 159550331579 in words is "one hundred fifty-nine billion, five hundred fifty million, three hundred thirty-one thousand, five hundred seventy-nine".