505055555512 has 64 divisors (see below), whose sum is σ = 968941802880. Its totient is φ = 246713306112.

The previous prime is 505055555507. The next prime is 505055555533. The reversal of 505055555512 is 215555550505.

It is a super-2 number, since 2×505055555512² (a number of 24 digits) contains 22 as substring.

It is a congruent 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, 211939873 + ... + 211942255.

It is an arithmetic number, because the mean of its divisors is an integer number (15139715670).

Almost surely, 2^505055555512 is an apocalyptic number.

It is an amenable number.

505055555512 is a deficient number, since it is larger than the sum of its proper divisors (463886247368).

505055555512 is a wasteful number, since it uses less digits than its factorization.

505055555512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352 (or 4348 counting only the distinct ones).

The product of its (nonzero) digits is 781250, while the sum is 43.

The spelling of 505055555512 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, five hundred twelve".