11111000100011 has 16 divisors (see below), whose sum is σ = 12703543718400. Its totient is φ = 9519771545088.

The previous prime is 11111000099977. The next prime is 11111000100047. The reversal of 11111000100011 is 11000100011111.

It is not a de Polignac number, because 11111000100011 - 2¹⁴ = 11111000083627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111000100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406550795 + ... + 406578123.

It is an arithmetic number, because the mean of its divisors is an integer number (793971482400).

Almost surely, 2^{11111000100011} is an apocalyptic number.

11111000100011 is a deficient number, since it is larger than the sum of its proper divisors (1592543618389).

11111000100011 is a wasteful number, since it uses less digits than its factorization.

11111000100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49258.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11111000100011 its reverse (11000100011111), we get a palindrome (22111100111122).

It can be divided in two parts, 111 and 11000100011, that multiplied together give a palindrome (1221011101221).

The spelling of 11111000100011 in words is "eleven trillion, one hundred eleven billion, one hundred thousand, eleven".