505555883145 has 24 divisors (see below), whose sum is σ = 904564507392. Its totient is φ = 260932068000.

The previous prime is 505555883117. The next prime is 505555883153. The reversal of 505555883145 is 541388555505.

505555883145 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 558 + 83 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 505555883145 - 2⁵ = 505555883113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505555883091 and 505555883100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181201431 + ... + 181204220.

It is an arithmetic number, because the mean of its divisors is an integer number (37690187808).

Almost surely, 2^505555883145 is an apocalyptic number.

It is an amenable number.

505555883145 is a deficient number, since it is larger than the sum of its proper divisors (399008624247).

505555883145 is a wasteful number, since it uses less digits than its factorization.

505555883145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362405693 (or 362405690 counting only the distinct ones).

The product of its (nonzero) digits is 12000000, while the sum is 54.

The spelling of 505555883145 in words is "five hundred five billion, five hundred fifty-five million, eight hundred eighty-three thousand, one hundred forty-five".