100105055556 has 48 divisors (see below), whose sum is σ = 254947549248. Its totient is φ = 30318832000.

The previous prime is 100105055503. The next prime is 100105055593. The reversal of 100105055556 is 655550501001.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51466 + ... + 450398.

It is an arithmetic number, because the mean of its divisors is an integer number (5311407276).

Almost surely, 2^100105055556 is an apocalyptic number.

It is an amenable number.

100105055556 is an abundant number, since it is smaller than the sum of its proper divisors (154842493692).

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

100105055556 is a wasteful number, since it uses less digits than its factorization.

100105055556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400852 (or 400850 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

Adding to 100105055556 its reverse (655550501001), we get a palindrome (755655556557).

The spelling of 100105055556 in words is "one hundred billion, one hundred five million, fifty-five thousand, five hundred fifty-six".