501132123340268 has 12 divisors (see below), whose sum is σ = 1002264246680592. Its totient is φ = 214770910002960.

The previous prime is 501132123340267. The next prime is 501132123340309. The reversal of 501132123340268 is 862043321231105.

501132123340268 is an admirable number.

It is a super-2 number, since 2×501132123340268² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501132123340267) 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 3 ways as a sum of consecutive naturals, for example, 8948787916763 + ... + 8948787916818.

It is an arithmetic number, because the mean of its divisors is an integer number (83522020556716).

Almost surely, 2^{501132123340268} is an apocalyptic number.

It is an amenable number.

501132123340268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501132123340268 is a wasteful number, since it uses less digits than its factorization.

501132123340268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17897575833592 (or 17897575833590 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 501132123340268 in words is "five hundred one trillion, one hundred thirty-two billion, one hundred twenty-three million, three hundred forty thousand, two hundred sixty-eight".