11356889 has 8 divisors (see below), whose sum is σ = 12044640. Its totient is φ = 10678176.

The previous prime is 11356847. The next prime is 11356903. The reversal of 11356889 is 98865311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11356889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11356789) 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 7 ways as a sum of consecutive naturals, for example, 422 + ... + 4784.

It is an arithmetic number, because the mean of its divisors is an integer number (1505580).

Almost surely, 2^11356889 is an apocalyptic number.

11356889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11356889 is a deficient number, since it is larger than the sum of its proper divisors (687751).

11356889 is a wasteful number, since it uses less digits than its factorization.

11356889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519.

The product of its digits is 51840, while the sum is 41.

The square root of 11356889 is about 3369.9983679521. The cubic root of 11356889 is about 224.7776503006. Note that the first 3 decimals are identical.

The spelling of 11356889 in words is "eleven million, three hundred fifty-six thousand, eight hundred eighty-nine".