505061056001 has 4 divisors (see below), whose sum is σ = 505063725012. Its totient is φ = 505058386992.

The previous prime is 505061055997. The next prime is 505061056037. The reversal of 505061056001 is 100650160505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54550273600 + 450510782401 = 233560^2 + 671201^2 .

It is a cyclic number.

It is not a de Polignac number, because 505061056001 - 2² = 505061055997 is a prime.

It is a super-2 number, since 2×505061056001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505061056051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027046 + ... + 1436991.

It is an arithmetic number, because the mean of its divisors is an integer number (126265931253).

Almost surely, 2^505061056001 is an apocalyptic number.

It is an amenable number.

505061056001 is a deficient number, since it is larger than the sum of its proper divisors (2669011).

505061056001 is a wasteful number, since it uses less digits than its factorization.

505061056001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669010.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 505061056001 in words is "five hundred five billion, sixty-one million, fifty-six thousand, one".