505000066501 has 16 divisors (see below), whose sum is σ = 584171411200. Its totient is φ = 427606397568.

The previous prime is 505000066463. The next prime is 505000066547. The reversal of 505000066501 is 105660000505.

It is not a de Polignac number, because 505000066501 - 2¹¹ = 505000064453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505000066501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505000060501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561366 + ... + 1151143.

It is an arithmetic number, because the mean of its divisors is an integer number (36510713200).

Almost surely, 2^505000066501 is an apocalyptic number.

It is an amenable number.

505000066501 is a deficient number, since it is larger than the sum of its proper divisors (79171344699).

505000066501 is a wasteful number, since it uses less digits than its factorization.

505000066501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713028.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 505000066501 in words is "five hundred five billion, sixty-six thousand, five hundred one".