501716416023145 has 4 divisors (see below), whose sum is σ = 602059699227780. Its totient is φ = 401373132818512.

The previous prime is 501716416023139. The next prime is 501716416023149. The reversal of 501716416023145 is 541320614617105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 307820287756864 + 193896128266281 = 17544808^2 + 13924659^2 .

It is a cyclic number.

It is not a de Polignac number, because 501716416023145 - 2¹⁷ = 501716415892073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501716416023095 and 501716416023104.

It is not an unprimeable number, because it can be changed into a prime (501716416023149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50171641602310 + ... + 50171641602319.

It is an arithmetic number, because the mean of its divisors is an integer number (150514924806945).

Almost surely, 2^{501716416023145} is an apocalyptic number.

It is an amenable number.

501716416023145 is a deficient number, since it is larger than the sum of its proper divisors (100343283204635).

501716416023145 is a wasteful number, since it uses less digits than its factorization.

501716416023145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100343283204634.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 501716416023145 in words is "five hundred one trillion, seven hundred sixteen billion, four hundred sixteen million, twenty-three thousand, one hundred forty-five".