505560100555 has 16 divisors (see below), whose sum is σ = 640531584000. Its totient is φ = 382003728480.

The previous prime is 505560100543. The next prime is 505560100621. The reversal of 505560100555 is 555001065505.

It is not a de Polignac number, because 505560100555 - 2¹¹ = 505560098507 is a prime.

It is a super-2 number, since 2×505560100555² (a number of 24 digits) contains 22 as substring.

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, 8007355 + ... + 8070244.

It is an arithmetic number, because the mean of its divisors is an integer number (40033224000).

Almost surely, 2^505560100555 is an apocalyptic number.

505560100555 is a deficient number, since it is larger than the sum of its proper divisors (134971483445).

505560100555 is a wasteful number, since it uses less digits than its factorization.

505560100555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077954.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 505560100555 in words is "five hundred five billion, five hundred sixty million, one hundred thousand, five hundred fifty-five".