158505984011 has 2 divisors, whose sum is σ = 158505984012. Its totient is φ = 158505984010.

The previous prime is 158505983963. The next prime is 158505984017. The reversal of 158505984011 is 110489505851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158505984011 - 2⁶ = 158505983947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (158505984017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79252992005 + 79252992006.

It is an arithmetic number, because the mean of its divisors is an integer number (79252992006).

Almost surely, 2^158505984011 is an apocalyptic number.

158505984011 is a deficient number, since it is larger than the sum of its proper divisors (1).

158505984011 is an equidigital number, since it uses as much as digits as its factorization.

158505984011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 47.

The spelling of 158505984011 in words is "one hundred fifty-eight billion, five hundred five million, nine hundred eighty-four thousand, eleven".