11011100001 has 32 divisors (see below), whose sum is σ = 16869772800. Its totient is φ = 6318161280.

The previous prime is 11011099997. The next prime is 11011100003. The reversal of 11011100001 is 10000111011.

It is not a de Polignac number, because 11011100001 - 2² = 11011099997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191085 + ... + 1200293.

It is an arithmetic number, because the mean of its divisors is an integer number (527180400).

Almost surely, 2^11011100001 is an apocalyptic number.

11011100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11011100001 is a deficient number, since it is larger than the sum of its proper divisors (5858672799).

11011100001 is a wasteful number, since it uses less digits than its factorization.

11011100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11011100001 its reverse (10000111011), we get a palindrome (21011211012).

It can be divided in two parts, 11011 and 100001, that multiplied together give a palindrome (1101111011).

The spelling of 11011100001 in words is "eleven billion, eleven million, one hundred thousand, one".