158225057009 has 2 divisors, whose sum is σ = 158225057010. Its totient is φ = 158225057008.

The previous prime is 158225056991. The next prime is 158225057033. The reversal of 158225057009 is 900750522851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155918368225 + 2306688784 = 394865^2 + 48028^2 .

It is an emirp because it is prime and its reverse (900750522851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158225057009 is a prime.

It is not a weakly prime, because it can be changed into another prime (158225057209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79112528504 + 79112528505.

It is an arithmetic number, because the mean of its divisors is an integer number (79112528505).

Almost surely, 2^158225057009 is an apocalyptic number.

It is an amenable number.

158225057009 is a deficient number, since it is larger than the sum of its proper divisors (1).

158225057009 is an equidigital number, since it uses as much as digits as its factorization.

158225057009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 158225057009 in words is "one hundred fifty-eight billion, two hundred twenty-five million, fifty-seven thousand, nine".