501105055056 has 20 divisors (see below), whose sum is σ = 1294521392352. Its totient is φ = 167035018336.

The previous prime is 501105055037. The next prime is 501105055081. The reversal of 501105055056 is 650550501105.

It is a super-2 number, since 2×501105055056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5219844276 + ... + 5219844371.

Almost surely, 2^501105055056 is an apocalyptic number.

It is an amenable number.

501105055056 is an abundant number, since it is smaller than the sum of its proper divisors (793416337296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501105055056 is a wasteful number, since it uses less digits than its factorization.

501105055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439688658 (or 10439688652 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 501105055056 in words is "five hundred one billion, one hundred five million, fifty-five thousand, fifty-six".