11287159 has 8 divisors (see below), whose sum is σ = 12795440. Its totient is φ = 9870336.

The previous prime is 11287147. The next prime is 11287163. The reversal of 11287159 is 95178211.

It is a happy number.

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 11287159 - 2⁵ = 11287127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22602 + ... + 23095.

It is an arithmetic number, because the mean of its divisors is an integer number (1599430).

Almost surely, 2^11287159 is an apocalyptic number.

11287159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11287159 is a deficient number, since it is larger than the sum of its proper divisors (1508281).

11287159 is a wasteful number, since it uses less digits than its factorization.

11287159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45729.

The product of its digits is 5040, while the sum is 34.

The square root of 11287159 is about 3359.6367363154. The cubic root of 11287159 is about 224.3166691944.

The spelling of 11287159 in words is "eleven million, two hundred eighty-seven thousand, one hundred fifty-nine".