11312011 has 8 divisors (see below), whose sum is σ = 12110400. Its totient is φ = 10533960.

The previous prime is 11312009. The next prime is 11312033. The reversal of 11312011 is 11021311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11312011 - 2¹ = 11312009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3925 + ... + 6166.

It is an arithmetic number, because the mean of its divisors is an integer number (1513800).

Almost surely, 2^11312011 is an apocalyptic number.

11312011 is a deficient number, since it is larger than the sum of its proper divisors (798389).

11312011 is a wasteful number, since it uses less digits than its factorization.

11312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11312011 is about 3363.3333168153. Note that the first 4 decimals coincide. The cubic root of 11312011 is about 224.4811815517.

Adding to 11312011 its reverse (11021311), we get a palindrome (22333322).

The spelling of 11312011 in words is "eleven million, three hundred twelve thousand, eleven".