11001001000100 has 18 divisors (see below), whose sum is σ = 23872172170434. Its totient is φ = 4400400400000.

The previous prime is 11001001000091. The next prime is 11001001000127. The reversal of 11001001000100 is 100010010011.

It can be written as a sum of positive squares in 3 ways, for example, as 211300186276 + 10789700813824 = 459674^2 + 3284768^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 55005004901 + ... + 55005005100.

Almost surely, 2^{11001001000100} is an apocalyptic number.

11001001000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001001000100 is an abundant number, since it is smaller than the sum of its proper divisors (12871171170334).

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

11001001000100 is a wasteful number, since it uses less digits than its factorization.

11001001000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010010015 (or 110010010008 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 11001001000100 its reverse (100010010011), we get a palindrome (11101011010111).

The spelling of 11001001000100 in words is "eleven trillion, one billion, one million, one hundred", and thus it is an aban number.