205035130161523 has 2 divisors, whose sum is σ = 205035130161524. Its totient is φ = 205035130161522.

The previous prime is 205035130161497. The next prime is 205035130161541. The reversal of 205035130161523 is 325161031530502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205035130161523 - 2³³ = 205026540226931 is a prime.

It is not a weakly prime, because it can be changed into another prime (205035130161583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102517565080761 + 102517565080762.

It is an arithmetic number, because the mean of its divisors is an integer number (102517565080762).

Almost surely, 2^{205035130161523} is an apocalyptic number.

205035130161523 is a deficient number, since it is larger than the sum of its proper divisors (1).

205035130161523 is an equidigital number, since it uses as much as digits as its factorization.

205035130161523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 205035130161523 in words is "two hundred five trillion, thirty-five billion, one hundred thirty million, one hundred sixty-one thousand, five hundred twenty-three".