185285035361 has 2 divisors, whose sum is σ = 185285035362. Its totient is φ = 185285035360.

The previous prime is 185285035289. The next prime is 185285035367. The reversal of 185285035361 is 163530582581.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149811573025 + 35473462336 = 387055^2 + 188344^2 .

It is a cyclic number.

It is not a de Polignac number, because 185285035361 - 2¹⁴ = 185285018977 is a prime.

It is not a weakly prime, because it can be changed into another prime (185285035367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92642517680 + 92642517681.

It is an arithmetic number, because the mean of its divisors is an integer number (92642517681).

Almost surely, 2^185285035361 is an apocalyptic number.

It is an amenable number.

185285035361 is a deficient number, since it is larger than the sum of its proper divisors (1).

185285035361 is an equidigital number, since it uses as much as digits as its factorization.

185285035361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 185285035361 in words is "one hundred eighty-five billion, two hundred eighty-five million, thirty-five thousand, three hundred sixty-one".