11056987 has 8 divisors (see below), whose sum is σ = 12085632. Its totient is φ = 10070400.

The previous prime is 11056979. The next prime is 11056999. The reversal of 11056987 is 78965011.

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 11056987 - 2³ = 11056979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056907) 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, 9964 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (1510704).

Almost surely, 2^11056987 is an apocalyptic number.

11056987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11056987 is a deficient number, since it is larger than the sum of its proper divisors (1028645).

11056987 is a wasteful number, since it uses less digits than its factorization.

11056987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 11056987 is about 3325.2048057225. The cubic root of 11056987 is about 222.7814021481.

The spelling of 11056987 in words is "eleven million, fifty-six thousand, nine hundred eighty-seven".