501242234666511 has 32 divisors (see below), whose sum is σ = 745154213859328. Its totient is φ = 297620765406720.

The previous prime is 501242234666501. The next prime is 501242234666549. The reversal of 501242234666511 is 115666432242105.

It is not a de Polignac number, because 501242234666511 - 2²¹ = 501242232569359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501242234666501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614714851 + ... + 615529716.

It is an arithmetic number, because the mean of its divisors is an integer number (23286069183104).

Almost surely, 2^{501242234666511} is an apocalyptic number.

501242234666511 is a deficient number, since it is larger than the sum of its proper divisors (243911979192817).

501242234666511 is a wasteful number, since it uses less digits than its factorization.

501242234666511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230244951.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 501242234666511 in words is "five hundred one trillion, two hundred forty-two billion, two hundred thirty-four million, six hundred sixty-six thousand, five hundred eleven".