11544420100 has 72 divisors (see below), whose sum is σ = 25486146560. Its totient is φ = 4538177280.

The previous prime is 11544420047. The next prime is 11544420101. The reversal of 11544420100 is 102444511.

It is not an unprimeable number, because it can be changed into a prime (11544420101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1758424 + ... + 1764976.

Almost surely, 2^11544420100 is an apocalyptic number.

11544420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11544420100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12743073280).

11544420100 is an abundant number, since it is smaller than the sum of its proper divisors (13941726460).

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

11544420100 is a wasteful number, since it uses less digits than its factorization.

11544420100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869 (or 6862 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 11544420100 its reverse (102444511), we get a palindrome (11646864611).

The spelling of 11544420100 in words is "eleven billion, five hundred forty-four million, four hundred twenty thousand, one hundred".