11642011 has 4 divisors (see below), whose sum is σ = 11674800. Its totient is φ = 11609224.

The previous prime is 11642009. The next prime is 11642017. The reversal of 11642011 is 11024611.

11642011 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.

It is a cyclic number.

It is not a de Polignac number, because 11642011 - 2¹ = 11642009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11642017) 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, 15856 + ... + 16573.

It is an arithmetic number, because the mean of its divisors is an integer number (2918700).

Almost surely, 2^11642011 is an apocalyptic number.

11642011 is a deficient number, since it is larger than the sum of its proper divisors (32789).

11642011 is an equidigital number, since it uses as much as digits as its factorization.

11642011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32788.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11642011 is about 3412.0391263876. The cubic root of 11642011 is about 226.6431869662.

Adding to 11642011 its reverse (11024611), we get a palindrome (22666622).

The spelling of 11642011 in words is "eleven million, six hundred forty-two thousand, eleven".