11287158 has 32 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 3554496.

The previous prime is 11287147. The next prime is 11287163. The reversal of 11287158 is 85178211.

It is a congruent number.

It is an unprimeable number.

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, 11823 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 2^11287158 is an apocalyptic number.

11287158 is an abundant number, since it is smaller than the sum of its proper divisors (12559242).

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

11287158 is a wasteful number, since it uses less digits than its factorization.

11287158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 4480, while the sum is 33.

The square root of 11287158 is about 3359.6365874898. The cubic root of 11287158 is about 224.3166625699.

The spelling of 11287158 in words is "eleven million, two hundred eighty-seven thousand, one hundred fifty-eight".