501242555040623 has 8 divisors (see below), whose sum is σ = 561588710316240. Its totient is φ = 443359508143680.

The previous prime is 501242555040613. The next prime is 501242555040653. The reversal of 501242555040623 is 326040555242105.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501242555040623 - 2³⁰ = 501241481298799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501242555040613) 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 7 ways as a sum of consecutive naturals, for example, 615777094238 + ... + 615777095051.

It is an arithmetic number, because the mean of its divisors is an integer number (70198588789530).

Almost surely, 2^{501242555040623} is an apocalyptic number.

501242555040623 is a deficient number, since it is larger than the sum of its proper divisors (60346155275617).

501242555040623 is a wasteful number, since it uses less digits than its factorization.

501242555040623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231554189337.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 501242555040623 in words is "five hundred one trillion, two hundred forty-two billion, five hundred fifty-five million, forty thousand, six hundred twenty-three".