505566101001 has 8 divisors (see below), whose sum is σ = 725941068160. Its totient is φ = 311117600592.

The previous prime is 505566100973. The next prime is 505566101063. The reversal of 505566101001 is 100101665505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505566101001 - 2²² = 505561906697 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 505566101001.

It is not an unprimeable number, because it can be changed into a prime (505566101071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6481616641 + ... + 6481616718.

It is an arithmetic number, because the mean of its divisors is an integer number (90742633520).

Almost surely, 2^505566101001 is an apocalyptic number.

It is an amenable number.

505566101001 is a deficient number, since it is larger than the sum of its proper divisors (220374967159).

505566101001 is a wasteful number, since it uses less digits than its factorization.

505566101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963233375.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 505566101001 its reverse (100101665505), we get a palindrome (605667766506).

The spelling of 505566101001 in words is "five hundred five billion, five hundred sixty-six million, one hundred one thousand, one".