506111055505 has 16 divisors (see below), whose sum is σ = 662900387904. Its totient is φ = 367883542080.

The previous prime is 506111055473. The next prime is 506111055613. The reversal of 506111055505 is 505550111605.

It is not a de Polignac number, because 506111055505 - 2⁵ = 506111055473 is a prime.

It is a super-2 number, since 2×506111055505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361702 + ... + 2567071.

It is an arithmetic number, because the mean of its divisors is an integer number (41431274244).

Almost surely, 2^506111055505 is an apocalyptic number.

506111055505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506111055505 is a deficient number, since it is larger than the sum of its proper divisors (156789332399).

506111055505 is a wasteful number, since it uses less digits than its factorization.

506111055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930656.

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

The spelling of 506111055505 in words is "five hundred six billion, one hundred eleven million, fifty-five thousand, five hundred five".