501011011100012 has 12 divisors (see below), whose sum is σ = 1002022022200080. Its totient is φ = 214719004757136.

The previous prime is 501011011099993. The next prime is 501011011100081. The reversal of 501011011100012 is 210001110110105.

501011011100012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 501011011100012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8946625198187 + ... + 8946625198242.

It is an arithmetic number, because the mean of its divisors is an integer number (83501835183340).

Almost surely, 2^{501011011100012} is an apocalyptic number.

It is an amenable number.

501011011100012 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.

501011011100012 is a wasteful number, since it uses less digits than its factorization.

501011011100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17893250396440 (or 17893250396438 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 14.

Adding to 501011011100012 its reverse (210001110110105), we get a palindrome (711012121210117).

The spelling of 501011011100012 in words is "five hundred one trillion, eleven billion, eleven million, one hundred thousand, twelve".