158887845913 has 2 divisors, whose sum is σ = 158887845914. Its totient is φ = 158887845912.

The previous prime is 158887845881. The next prime is 158887845947. The reversal of 158887845913 is 319548788851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107733619984 + 51154225929 = 328228^2 + 226173^2 .

It is a cyclic number.

It is not a de Polignac number, because 158887845913 - 2⁵ = 158887845881 is a prime.

It is not a weakly prime, because it can be changed into another prime (158887845713) 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, 79443922956 + 79443922957.

It is an arithmetic number, because the mean of its divisors is an integer number (79443922957).

Almost surely, 2^158887845913 is an apocalyptic number.

It is an amenable number.

158887845913 is a deficient number, since it is larger than the sum of its proper divisors (1).

158887845913 is an equidigital number, since it uses as much as digits as its factorization.

158887845913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77414400, while the sum is 67.

The spelling of 158887845913 in words is "one hundred fifty-eight billion, eight hundred eighty-seven million, eight hundred forty-five thousand, nine hundred thirteen".