501100050100 has 72 divisors (see below), whose sum is σ = 1221946790400. Its totient is φ = 176977130880.

The previous prime is 501100050097. The next prime is 501100050161. The reversal of 501100050100 is 1050001105.

It is a super-2 number, since 2×501100050100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8349700 + ... + 8409499.

It is an arithmetic number, because the mean of its divisors is an integer number (16971483200).

Almost surely, 2^501100050100 is an apocalyptic number.

501100050100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

501100050100 is an abundant number, since it is smaller than the sum of its proper divisors (720846740300).

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

501100050100 is a wasteful number, since it uses less digits than its factorization.

501100050100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16759249 (or 16759242 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 501100050100 its reverse (1050001105), we get a palindrome (502150051205).

The spelling of 501100050100 in words is "five hundred one billion, one hundred million, fifty thousand, one hundred".