501125343240000 has 140 divisors (see below), whose sum is σ = 1656837314394944. Its totient is φ = 133633424832000.

The previous prime is 501125343239987. The next prime is 501125343240001. The reversal of 501125343240000 is 42343521105.

It is a super-2 number, since 2×501125343240000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 501125343240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501125343240001) 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 19 ways as a sum of consecutive naturals, for example, 2087902264 + ... + 2088142263.

Almost surely, 2^{501125343240000} is an apocalyptic number.

501125343240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

501125343240000 is an abundant number, since it is smaller than the sum of its proper divisors (1155711971154944).

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

501125343240000 is an equidigital number, since it uses as much as digits as its factorization.

501125343240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176044562 (or 4176044537 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 501125343240000 its reverse (42343521105), we get a palindrome (501167686761105).

The spelling of 501125343240000 in words is "five hundred one trillion, one hundred twenty-five billion, three hundred forty-three million, two hundred forty thousand".