100550505005508 has 48 divisors (see below), whose sum is σ = 245188997456256. Its totient is φ = 32011079612160.

The previous prime is 100550505005501. The next prime is 100550505005557. The reversal of 100550505005508 is 805500505055001.

It is a super-2 number, since 2×100550505005508² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100550505005501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275395041 + ... + 275759912.

It is an arithmetic number, because the mean of its divisors is an integer number (5108104113672).

Almost surely, 2^{100550505005508} is an apocalyptic number.

It is an amenable number.

100550505005508 is an abundant number, since it is smaller than the sum of its proper divisors (144638492450748).

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

100550505005508 is a wasteful number, since it uses less digits than its factorization.

100550505005508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551155644 (or 551155642 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 100550505005508 in words is "one hundred trillion, five hundred fifty billion, five hundred five million, five thousand, five hundred eight".