11111100011 has 32 divisors (see below), whose sum is σ = 12804341760. Its totient is φ = 9549050400.

The previous prime is 11111099897. The next prime is 11111100067. The reversal of 11111100011 is 11000111111.

It is a cyclic number.

It is not a de Polignac number, because 11111100011 - 2²² = 11106905707 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11111100071) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3358220 + ... + 3361526.

It is an arithmetic number, because the mean of its divisors is an integer number (400135680).

Almost surely, 2^11111100011 is an apocalyptic number.

11111100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111100011 is a deficient number, since it is larger than the sum of its proper divisors (1693241749).

11111100011 is a wasteful number, since it uses less digits than its factorization.

11111100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

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

Adding to 11111100011 its reverse (11000111111), we get a palindrome (22111211122).

It can be divided in two parts, 1111 and 1100011, that multiplied together give a palindrome (1222112221).

The spelling of 11111100011 in words is "eleven billion, one hundred eleven million, one hundred thousand, eleven".