235161530561 has 2 divisors, whose sum is σ = 235161530562. Its totient is φ = 235161530560.

The previous prime is 235161530551. The next prime is 235161530609. The reversal of 235161530561 is 165035161532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189416448400 + 45745082161 = 435220^2 + 213881^2 .

It is a cyclic number.

It is not a de Polignac number, because 235161530561 - 2¹⁴ = 235161514177 is a prime.

It is not a weakly prime, because it can be changed into another prime (235161530551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117580765280 + 117580765281.

It is an arithmetic number, because the mean of its divisors is an integer number (117580765281).

Almost surely, 2^235161530561 is an apocalyptic number.

It is an amenable number.

235161530561 is a deficient number, since it is larger than the sum of its proper divisors (1).

235161530561 is an equidigital number, since it uses as much as digits as its factorization.

235161530561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 235161530561 in words is "two hundred thirty-five billion, one hundred sixty-one million, five hundred thirty thousand, five hundred sixty-one".