505505500071 has 32 divisors (see below), whose sum is σ = 804821821440. Its totient is φ = 278164195200.

The previous prime is 505505500063. The next prime is 505505500187. The reversal of 505505500071 is 170005505505.

It is not a de Polignac number, because 505505500071 - 2³ = 505505500063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505505500061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9632311 + ... + 9684648.

It is an arithmetic number, because the mean of its divisors is an integer number (25150681920).

Almost surely, 2^505505500071 is an apocalyptic number.

505505500071 is a deficient number, since it is larger than the sum of its proper divisors (299316321369).

505505500071 is a wasteful number, since it uses less digits than its factorization.

505505500071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19317047.

The product of its (nonzero) digits is 21875, while the sum is 33.

The spelling of 505505500071 in words is "five hundred five billion, five hundred five million, five hundred thousand, seventy-one".