11011111010011 has 64 divisors (see below), whose sum is σ = 13532230656000. Its totient is φ = 8754871910400.

The previous prime is 11011111009981. The next prime is 11011111010021. The reversal of 11011111010011 is 11001011111011.

It is a happy number.

It is not a de Polignac number, because 11011111010011 - 2¹³ = 11011111001819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011111010011.

It is not an unprimeable number, because it can be changed into a prime (11011111010021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 803196225 + ... + 803209933.

It is an arithmetic number, because the mean of its divisors is an integer number (211441104000).

Almost surely, 2^{11011111010011} is an apocalyptic number.

11011111010011 is a deficient number, since it is larger than the sum of its proper divisors (2521119645989).

11011111010011 is a wasteful number, since it uses less digits than its factorization.

11011111010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 11011111010011 its reverse (11001011111011), we get a palindrome (22012122121022).

The spelling of 11011111010011 in words is "eleven trillion, eleven billion, one hundred eleven million, ten thousand, eleven".