501101000004 has 96 divisors (see below), whose sum is σ = 1381969645056. Its totient is φ = 139592839680.

The previous prime is 501100999981. The next prime is 501101000011. The reversal of 501101000004 is 400000101105.

It is a happy number.

It is a super-2 number, since 2×501101000004² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2500102 + ... + 2693085.

It is an arithmetic number, because the mean of its divisors is an integer number (14395517136).

Almost surely, 2^501101000004 is an apocalyptic number.

It is an amenable number.

501101000004 is an abundant number, since it is smaller than the sum of its proper divisors (880868645052).

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

501101000004 is a wasteful number, since it uses less digits than its factorization.

501101000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193265 (or 5193263 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

Adding to 501101000004 its reverse (400000101105), we get a palindrome (901101101109).

The spelling of 501101000004 in words is "five hundred one billion, one hundred one million, four", and thus it is an aban number.