555505010505 has 24 divisors (see below), whose sum is σ = 965603071368. Its totient is φ = 295430040576.

The previous prime is 555505010497. The next prime is 555505010519. The reversal of 555505010505 is 505010505555.

It is a happy number.

555505010505 is a `hidden beast` number, since 5 + 5 + 550 + 50 + 1 + 0 + 50 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59498917776 + 496006092729 = 243924^2 + 704277^2 .

It is not a de Polignac number, because 555505010505 - 2³ = 555505010497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555505010505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17469322 + ... + 17501091.

It is an arithmetic number, because the mean of its divisors is an integer number (40233461307).

Almost surely, 2^555505010505 is an apocalyptic number.

It is an amenable number.

555505010505 is a deficient number, since it is larger than the sum of its proper divisors (410098060863).

555505010505 is a wasteful number, since it uses less digits than its factorization.

555505010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34970777 (or 34970774 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 555505010505 in words is "five hundred fifty-five billion, five hundred five million, ten thousand, five hundred five".