100544543036 has 96 divisors (see below), whose sum is σ = 210319269888. Its totient is φ = 41152250880.

The previous prime is 100544543009. The next prime is 100544543039. The reversal of 100544543036 is 630345445001.

It is a junction number, because it is equal to n+sod(n) for n = 100544542987 and 100544543005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544543039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27981656 + ... + 27985248.

It is an arithmetic number, because the mean of its divisors is an integer number (2190825728).

Almost surely, 2^100544543036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100544543036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105159634944).

100544543036 is an abundant number, since it is smaller than the sum of its proper divisors (109774726852).

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

100544543036 is a wasteful number, since it uses less digits than its factorization.

100544543036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 100544543036 its reverse (630345445001), we get a palindrome (730889988037).

The spelling of 100544543036 in words is "one hundred billion, five hundred forty-four million, five hundred forty-three thousand, thirty-six".