501060550561 has 8 divisors (see below), whose sum is σ = 531235552680. Its totient is φ = 470963420928.

The previous prime is 501060550553. The next prime is 501060550633. The reversal of 501060550561 is 165055060105.

It can be written as a sum of positive squares in 4 ways, for example, as 290797033536 + 210263517025 = 539256^2 + 458545^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 501060550561 - 2³ = 501060550553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501060550531) 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, 19454866 + ... + 19480603.

It is an arithmetic number, because the mean of its divisors is an integer number (66404444085).

Almost surely, 2^501060550561 is an apocalyptic number.

It is an amenable number.

501060550561 is a deficient number, since it is larger than the sum of its proper divisors (30175002119).

501060550561 is a wasteful number, since it uses less digits than its factorization.

501060550561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38936243.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 501060550561 in words is "five hundred one billion, sixty million, five hundred fifty thousand, five hundred sixty-one".