100544554542 has 8 divisors (see below), whose sum is σ = 201089109096. Its totient is φ = 33514851512.

The previous prime is 100544554529. The next prime is 100544554543. The reversal of 100544554542 is 245455445001.

It is a sphenic number, since it is the product of 3 distinct primes.

100544554542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 100544554542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544554543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8378712873 + ... + 8378712884.

It is an arithmetic number, because the mean of its divisors is an integer number (25136138637).

Almost surely, 2^100544554542 is an apocalyptic number.

100544554542 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.

100544554542 is a wasteful number, since it uses less digits than its factorization.

100544554542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757425762.

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 100544554542 its reverse (245455445001), we get a palindrome (345999999543).

The spelling of 100544554542 in words is "one hundred billion, five hundred forty-four million, five hundred fifty-four thousand, five hundred forty-two".