1605314234011 has 2 divisors, whose sum is σ = 1605314234012. Its totient is φ = 1605314234010.

The previous prime is 1605314233997. The next prime is 1605314234057. The reversal of 1605314234011 is 1104324135061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1605314234011 - 2¹³ = 1605314225819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1605314234911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802657117005 + 802657117006.

It is an arithmetic number, because the mean of its divisors is an integer number (802657117006).

Almost surely, 2^{1605314234011} is an apocalyptic number.

1605314234011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1605314234011 is an equidigital number, since it uses as much as digits as its factorization.

1605314234011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1605314234011 its reverse (1104324135061), we get a palindrome (2709638369072).

The spelling of 1605314234011 in words is "one trillion, six hundred five billion, three hundred fourteen million, two hundred thirty-four thousand, eleven".