605505556011 has 16 divisors (see below), whose sum is σ = 854874838944. Its totient is φ = 379905736704.

The previous prime is 605505555953. The next prime is 605505556069. The reversal of 605505556011 is 110655505506.

It is an interprime number because it is at equal distance from previous prime (605505555953) and next prime (605505556069).

It is not a de Polignac number, because 605505556011 - 2¹⁷ = 605505424939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605505556211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746335 + ... + 1329671.

It is an arithmetic number, because the mean of its divisors is an integer number (53429677434).

Almost surely, 2^605505556011 is an apocalyptic number.

605505556011 is a deficient number, since it is larger than the sum of its proper divisors (249369282933).

605505556011 is a wasteful number, since it uses less digits than its factorization.

605505556011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603710.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 605505556011 in words is "six hundred five billion, five hundred five million, five hundred fifty-six thousand, eleven".