11420011 has 4 divisors (see below), whose sum is σ = 11426800. Its totient is φ = 11413224.

The previous prime is 11420009. The next prime is 11420027. The reversal of 11420011 is 11002411.

11420011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11420011 - 2¹ = 11420009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11420011.

It is not an unprimeable number, because it can be changed into a prime (11420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (2856700).

Almost surely, 2^11420011 is an apocalyptic number.

11420011 is a deficient number, since it is larger than the sum of its proper divisors (6789).

11420011 is an equidigital number, since it uses as much as digits as its factorization.

11420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11420011 is about 3379.3506772751. The cubic root of 11420011 is about 225.1933219144.

Adding to 11420011 its reverse (11002411), we get a palindrome (22422422).

The spelling of 11420011 in words is "eleven million, four hundred twenty thousand, eleven".