501420140362001 has 16 divisors (see below), whose sum is σ = 575933197593600. Its totient is φ = 427627499927760.

The previous prime is 501420140361979. The next prime is 501420140362007. The reversal of 501420140362001 is 100263041024105.

It is a cyclic number.

It is not a de Polignac number, because 501420140362001 - 2²² = 501420136167697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501420140362007) 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 15 ways as a sum of consecutive naturals, for example, 695118446 + ... + 695839416.

It is an arithmetic number, because the mean of its divisors is an integer number (35995824849600).

Almost surely, 2^{501420140362001} is an apocalyptic number.

It is an amenable number.

501420140362001 is a deficient number, since it is larger than the sum of its proper divisors (74513057231599).

501420140362001 is a wasteful number, since it uses less digits than its factorization.

501420140362001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220444.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 501420140362001 its reverse (100263041024105), we get a palindrome (601683181386106).

The spelling of 501420140362001 in words is "five hundred one trillion, four hundred twenty billion, one hundred forty million, three hundred sixty-two thousand, one".