501545441512 has 16 divisors (see below), whose sum is σ = 981284559840. Its totient is φ = 239869558896.

The previous prime is 501545441503. The next prime is 501545441543. The reversal of 501545441512 is 215144545105.

It is a super-2 number, since 2×501545441512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362895038 + ... + 1362895405.

It is an arithmetic number, because the mean of its divisors is an integer number (61330284990).

Almost surely, 2^501545441512 is an apocalyptic number.

It is an amenable number.

501545441512 is a deficient number, since it is larger than the sum of its proper divisors (479739118328).

501545441512 is a wasteful number, since it uses less digits than its factorization.

501545441512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725790472 (or 2725790468 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 501545441512 its reverse (215144545105), we get a palindrome (716689986617).

The spelling of 501545441512 in words is "five hundred one billion, five hundred forty-five million, four hundred forty-one thousand, five hundred twelve".