11001111101010 has 48 divisors (see below), whose sum is σ = 28668043609920. Its totient is φ = 2926947088800.

The previous prime is 11001111100913. The next prime is 11001111101017. The reversal of 11001111101010 is 1010111110011.

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 = 11001111100983 and 11001111101001.

It is not an unprimeable number, because it can be changed into a prime (11001111101017) 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 23 ways as a sum of consecutive naturals, for example, 139179816 + ... + 139258835.

It is an arithmetic number, because the mean of its divisors is an integer number (597250908540).

Almost surely, 2^{11001111101010} is an apocalyptic number.

11001111101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001111101010 is an abundant number, since it is smaller than the sum of its proper divisors (17666932508910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001111101010 is a wasteful number, since it uses less digits than its factorization.

11001111101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278439103 (or 278439100 counting only the distinct ones).

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

Adding to 11001111101010 its reverse (1010111110011), we get a palindrome (12011222211021).

Subtracting from 11001111101010 its reverse (1010111110011), we obtain a palindrome (9990999990999).

The spelling of 11001111101010 in words is "eleven trillion, one billion, one hundred eleven million, one hundred one thousand, ten".