11287116 has 36 divisors (see below), whose sum is σ = 30211272. Its totient is φ = 3540864.

The previous prime is 11287103. The next prime is 11287117. The reversal of 11287116 is 61178211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11287116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287117) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8610 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (839202).

Almost surely, 2^11287116 is an apocalyptic number.

It is an amenable number.

11287116 is an abundant number, since it is smaller than the sum of its proper divisors (18924156).

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

11287116 is a wasteful number, since it uses less digits than its factorization.

11287116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470 (or 18465 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 11287116 is about 3359.6303368079. The cubic root of 11287116 is about 224.3163843389.

The spelling of 11287116 in words is "eleven million, two hundred eighty-seven thousand, one hundred sixteen".