11000087 has 8 divisors (see below), whose sum is σ = 12643200. Its totient is φ = 9374904.

The previous prime is 11000083. The next prime is 11000089. The reversal of 11000087 is 78000011.

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

It is not a de Polignac number, because 11000087 - 2² = 11000083 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000081) 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, 3137 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (1580400).

Almost surely, 2^11000087 is an apocalyptic number.

11000087 is a deficient number, since it is larger than the sum of its proper divisors (1643113).

11000087 is an equidigital number, since it uses as much as digits as its factorization.

11000087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11000087 is about 3316.6379060730. The cubic root of 11000087 is about 222.3985953774.

Adding to 11000087 its reverse (78000011), we get a palindrome (89000098).

The spelling of 11000087 in words is "eleven million, eighty-seven", and thus it is an aban number and an uban number.