11620011 has 16 divisors (see below), whose sum is σ = 16937984. Its totient is φ = 7042464.

The previous prime is 11620003. The next prime is 11620013. The reversal of 11620011 is 11002611.

It is a happy number.

It is not a de Polignac number, because 11620011 - 2³ = 11620003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11620013) 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 15 ways as a sum of consecutive naturals, for example, 390 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (1058624).

Almost surely, 2^11620011 is an apocalyptic number.

11620011 is a deficient number, since it is larger than the sum of its proper divisors (5317973).

11620011 is a wasteful number, since it uses less digits than its factorization.

11620011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11620011 is about 3408.8137232768. The cubic root of 11620011 is about 226.5003338055.

Adding to 11620011 its reverse (11002611), we get a palindrome (22622622).

The spelling of 11620011 in words is "eleven million, six hundred twenty thousand, eleven".