501111011060 has 96 divisors (see below), whose sum is σ = 1208645383680. Its totient is φ = 172599465600.

The previous prime is 501111011047. The next prime is 501111011077. The reversal of 501111011060 is 60110111105.

It is a super-3 number, since 3×501111011060³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37993787 + ... + 38006973.

It is an arithmetic number, because the mean of its divisors is an integer number (12590056080).

Almost surely, 2^501111011060 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 501111011060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604322691840).

501111011060 is an abundant number, since it is smaller than the sum of its proper divisors (707534372620).

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

501111011060 is a wasteful number, since it uses less digits than its factorization.

501111011060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22317 (or 22315 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 501111011060 its reverse (60110111105), we get a palindrome (561221122165).

The spelling of 501111011060 in words is "five hundred one billion, one hundred eleven million, eleven thousand, sixty".