605555501011 has 2 divisors, whose sum is σ = 605555501012. Its totient is φ = 605555501010.

The previous prime is 605555501003. The next prime is 605555501063. The reversal of 605555501011 is 110105555506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605555501011 - 2³ = 605555501003 is a prime.

It is not a weakly prime, because it can be changed into another prime (605555501071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302777750505 + 302777750506.

It is an arithmetic number, because the mean of its divisors is an integer number (302777750506).

Almost surely, 2^605555501011 is an apocalyptic number.

605555501011 is a deficient number, since it is larger than the sum of its proper divisors (1).

605555501011 is an equidigital number, since it uses as much as digits as its factorization.

605555501011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 605555501011 in words is "six hundred five billion, five hundred fifty-five million, five hundred one thousand, eleven".