501140512155552 has 192 divisors, whose sum is σ = 1345239652184064. Its totient is φ = 163279029888000.

The previous prime is 501140512155539. The next prime is 501140512155559. The reversal of 501140512155552 is 255551215041105.

It is a super-2 number, since 2×501140512155552² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501140512155559) 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, 10953628677 + ... + 10953674427.

It is an arithmetic number, because the mean of its divisors is an integer number (7006456521792).

Almost surely, 2^{501140512155552} 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 501140512155552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672619826092032).

501140512155552 is an abundant number, since it is smaller than the sum of its proper divisors (844099140028512).

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

501140512155552 is a wasteful number, since it uses less digits than its factorization.

501140512155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48931 (or 48923 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 42.

Adding to 501140512155552 its reverse (255551215041105), we get a palindrome (756691727196657).

The spelling of 501140512155552 in words is "five hundred one trillion, one hundred forty billion, five hundred twelve million, one hundred fifty-five thousand, five hundred fifty-two".