100005004988 has 12 divisors (see below), whose sum is σ = 200010010032. Its totient is φ = 42859287840.

The previous prime is 100005004973. The next prime is 100005004991. The reversal of 100005004988 is 889400500001.

100005004988 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785803633 + ... + 1785803688.

It is an arithmetic number, because the mean of its divisors is an integer number (16667500836).

Almost surely, 2^100005004988 is an apocalyptic number.

It is an amenable number.

100005004988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100005004988 is a wasteful number, since it uses less digits than its factorization.

100005004988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571607332 (or 3571607330 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

Adding to 100005004988 its reverse (889400500001), we get a palindrome (989405504989).

The spelling of 100005004988 in words is "one hundred billion, five million, four thousand, nine hundred eighty-eight".