159580031491 has 2 divisors, whose sum is σ = 159580031492. Its totient is φ = 159580031490.

The previous prime is 159580031483. The next prime is 159580031647. The reversal of 159580031491 is 194130085951.

It is a weak prime.

It is an emirp because it is prime and its reverse (194130085951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159580031491 - 2³ = 159580031483 is a prime.

It is not a weakly prime, because it can be changed into another prime (159580011491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79790015745 + 79790015746.

It is an arithmetic number, because the mean of its divisors is an integer number (79790015746).

Almost surely, 2^159580031491 is an apocalyptic number.

159580031491 is a deficient number, since it is larger than the sum of its proper divisors (1).

159580031491 is an equidigital number, since it uses as much as digits as its factorization.

159580031491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 159580031491 in words is "one hundred fifty-nine billion, five hundred eighty million, thirty-one thousand, four hundred ninety-one".