500555550561 has 32 divisors (see below), whose sum is σ = 760145568768. Its totient is φ = 290020885440.

The previous prime is 500555550529. The next prime is 500555550569. The reversal of 500555550561 is 165055555005.

It is not a de Polignac number, because 500555550561 - 2⁵ = 500555550529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (500555550569) 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, 1240435 + ... + 1593671.

It is an arithmetic number, because the mean of its divisors is an integer number (23754549024).

Almost surely, 2^500555550561 is an apocalyptic number.

It is an amenable number.

500555550561 is a deficient number, since it is larger than the sum of its proper divisors (259590018207).

500555550561 is a wasteful number, since it uses less digits than its factorization.

500555550561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355141.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 500555550561 in words is "five hundred billion, five hundred fifty-five million, five hundred fifty thousand, five hundred sixty-one".