11001000100 has 36 divisors (see below), whose sum is σ = 24054429168. Its totient is φ = 4366804000.

The previous prime is 11001000083. The next prime is 11001000103. The reversal of 11001000100 is 100010011.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 11001000100.

It is not an unprimeable number, because it can be changed into a prime (11001000103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406786 + ... + 432985.

It is an arithmetic number, because the mean of its divisors is an integer number (668178588).

Almost surely, 2^11001000100 is an apocalyptic number.

11001000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001000100 is an abundant number, since it is smaller than the sum of its proper divisors (13053429068).

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

11001000100 is a wasteful number, since it uses less digits than its factorization.

11001000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839916 (or 839909 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 11001000100 its reverse (100010011), we get a palindrome (11101010111).

The spelling of 11001000100 in words is "eleven billion, one million, one hundred", and thus it is an aban number.