501143465121 has 16 divisors (see below), whose sum is σ = 726192371520. Its totient is φ = 305566655040.

The previous prime is 501143465117. The next prime is 501143465167. The reversal of 501143465121 is 121564341105.

It is not a de Polignac number, because 501143465121 - 2² = 501143465117 is a prime.

It is a super-2 number, since 2×501143465121² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501143466121) 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, 58939935 + ... + 58948436.

It is an arithmetic number, because the mean of its divisors is an integer number (45387023220).

Almost surely, 2^501143465121 is an apocalyptic number.

It is an amenable number.

501143465121 is a deficient number, since it is larger than the sum of its proper divisors (225048906399).

501143465121 is a wasteful number, since it uses less digits than its factorization.

501143465121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117888496.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 501143465121 in words is "five hundred one billion, one hundred forty-three million, four hundred sixty-five thousand, one hundred twenty-one".