11011100100100 has 36 divisors (see below), whose sum is σ = 24718021265700. Its totient is φ = 4252562796160.

The previous prime is 11011100100079. The next prime is 11011100100109. The reversal of 11011100100100 is 100100111011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4524176644 + 11006575923456 = 67262^2 + 3317616^2 .

It is not an unprimeable number, because it can be changed into a prime (11011100100109) 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, 1898462635 + ... + 1898468434.

It is an arithmetic number, because the mean of its divisors is an integer number (686611701825).

Almost surely, 2^{11011100100100} is an apocalyptic number.

11011100100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011100100100 is an abundant number, since it is smaller than the sum of its proper divisors (13706921165600).

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

11011100100100 is a wasteful number, since it uses less digits than its factorization.

11011100100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796931112 (or 3796931105 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11011100100100 its reverse (100100111011), we get a palindrome (11111200211111).

The spelling of 11011100100100 in words is "eleven trillion, eleven billion, one hundred million, one hundred thousand, one hundred".