505010105056 has 96 divisors (see below), whose sum is σ = 1065036107520. Its totient is φ = 234882594816.

The previous prime is 505010105029. The next prime is 505010105059. The reversal of 505010105056 is 650501010505.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505010105059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25543431 + ... + 25563193.

It is an arithmetic number, because the mean of its divisors is an integer number (11094126120).

Almost surely, 2^505010105056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505010105056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532518053760).

505010105056 is an abundant number, since it is smaller than the sum of its proper divisors (560026002464).

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

505010105056 is a wasteful number, since it uses less digits than its factorization.

505010105056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336 (or 20328 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 505010105056 in words is "five hundred five billion, ten million, one hundred five thousand, fifty-six".