11001111010011 has 12 divisors (see below), whose sum is σ = 15890526255240. Its totient is φ = 7334058972480.

The previous prime is 11001111009961. The next prime is 11001111010061. The reversal of 11001111010011 is 11001011110011.

It is an interprime number because it is at equal distance from previous prime (11001111009961) and next prime (11001111010061).

It is not a de Polignac number, because 11001111010011 - 2¹⁷ = 11001110878939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001111009975 and 11001111010002.

It is not an unprimeable number, because it can be changed into a prime (11001111010061) 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 11 ways as a sum of consecutive naturals, for example, 5050771 + ... + 6892931.

It is an arithmetic number, because the mean of its divisors is an integer number (1324210521270).

Almost surely, 2^{11001111010011} is an apocalyptic number.

11001111010011 is a deficient number, since it is larger than the sum of its proper divisors (4889415245229).

11001111010011 is a wasteful number, since it uses less digits than its factorization.

11001111010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505706 (or 2505703 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11001111010011 its reverse (11001011110011), we get a palindrome (22002122120022).

The spelling of 11001111010011 in words is "eleven trillion, one billion, one hundred eleven million, ten thousand, eleven".