156348227089 has 2 divisors, whose sum is σ = 156348227090. Its totient is φ = 156348227088.

The previous prime is 156348227059. The next prime is 156348227177. The reversal of 156348227089 is 980722843651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150807955600 + 5540271489 = 388340^2 + 74433^2 .

It is a cyclic number.

It is not a de Polignac number, because 156348227089 - 2²¹ = 156346129937 is a prime.

It is a super-2 number, since 2×156348227089² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156348227059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78174113544 + 78174113545.

It is an arithmetic number, because the mean of its divisors is an integer number (78174113545).

It is a 1-persistent number, because it is pandigital, but 2⋅156348227089 = 312696454178 is not.

Almost surely, 2^156348227089 is an apocalyptic number.

It is an amenable number.

156348227089 is a deficient number, since it is larger than the sum of its proper divisors (1).

156348227089 is an equidigital number, since it uses as much as digits as its factorization.

156348227089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 156348227089 in words is "one hundred fifty-six billion, three hundred forty-eight million, two hundred twenty-seven thousand, eighty-nine".