11115906 has 16 divisors (see below), whose sum is σ = 22395744. Its totient is φ = 3677984.

The previous prime is 11115883. The next prime is 11115913. The reversal of 11115906 is 60951111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5940 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (1399734).

Almost surely, 2^11115906 is an apocalyptic number.

11115906 is an abundant number, since it is smaller than the sum of its proper divisors (11279838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11115906 is a wasteful number, since it uses less digits than its factorization.

11115906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665.

The product of its (nonzero) digits is 270, while the sum is 24.

The square root of 11115906 is about 3334.0524890889. The cubic root of 11115906 is about 223.1764106440.

It can be divided in two parts, 11115 and 906, that added together give a palindrome (12021).

The spelling of 11115906 in words is "eleven million, one hundred fifteen thousand, nine hundred six".