501142242152 has 32 divisors (see below), whose sum is σ = 940571788800. Its totient is φ = 250323225984.

The previous prime is 501142242091. The next prime is 501142242163. The reversal of 501142242152 is 251242241105.

It is a super-2 number, since 2×501142242152² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46887353 + ... + 46898039.

It is an arithmetic number, because the mean of its divisors is an integer number (29392868400).

Almost surely, 2^501142242152 is an apocalyptic number.

It is an amenable number.

501142242152 is a deficient number, since it is larger than the sum of its proper divisors (439429546648).

501142242152 is a wasteful number, since it uses less digits than its factorization.

501142242152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945 (or 15941 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 501142242152 its reverse (251242241105), we get a palindrome (752384483257).

The spelling of 501142242152 in words is "five hundred one billion, one hundred forty-two million, two hundred forty-two thousand, one hundred fifty-two".