1111001100011 has 32 divisors (see below), whose sum is σ = 1329559634880. Its totient is φ = 916418764800.

The previous prime is 1111001099987. The next prime is 1111001100017. The reversal of 1111001100011 is 1100011001111.

It is a de Polignac number, because none of the positive numbers 2^k-1111001100011 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 (1111001100017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3429635 + ... + 3739571.

It is an arithmetic number, because the mean of its divisors is an integer number (41548738590).

Almost surely, 2^{1111001100011} is an apocalyptic number.

1111001100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111001100011 is a deficient number, since it is larger than the sum of its proper divisors (218558534869).

1111001100011 is a wasteful number, since it uses less digits than its factorization.

1111001100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310655.

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

Adding to 1111001100011 its reverse (1100011001111), we get a palindrome (2211012101122).

The spelling of 1111001100011 in words is "one trillion, one hundred eleven billion, one million, one hundred thousand, eleven".