156227534401 has 2 divisors, whose sum is σ = 156227534402. Its totient is φ = 156227534400.

The previous prime is 156227534389. The next prime is 156227534443. The reversal of 156227534401 is 104435722651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139576212801 + 16651321600 = 373599^2 + 129040^2 .

It is a cyclic number.

It is not a de Polignac number, because 156227534401 - 2¹⁷ = 156227403329 is a prime.

It is not a weakly prime, because it can be changed into another prime (156227504401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78113767200 + 78113767201.

It is an arithmetic number, because the mean of its divisors is an integer number (78113767201).

Almost surely, 2^156227534401 is an apocalyptic number.

It is an amenable number.

156227534401 is a deficient number, since it is larger than the sum of its proper divisors (1).

156227534401 is an equidigital number, since it uses as much as digits as its factorization.

156227534401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 156227534401 in words is "one hundred fifty-six billion, two hundred twenty-seven million, five hundred thirty-four thousand, four hundred one".