205146432311 has 2 divisors, whose sum is σ = 205146432312. Its totient is φ = 205146432310.

The previous prime is 205146432299. The next prime is 205146432317. The reversal of 205146432311 is 113234641502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205146432311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205146432317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102573216155 + 102573216156.

It is an arithmetic number, because the mean of its divisors is an integer number (102573216156).

Almost surely, 2^205146432311 is an apocalyptic number.

205146432311 is a deficient number, since it is larger than the sum of its proper divisors (1).

205146432311 is an equidigital number, since it uses as much as digits as its factorization.

205146432311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 205146432311 in words is "two hundred five billion, one hundred forty-six million, four hundred thirty-two thousand, three hundred eleven".