11053987 has 4 divisors (see below), whose sum is σ = 12633136. Its totient is φ = 9474840.

The previous prime is 11053981. The next prime is 11053997. The reversal of 11053987 is 78935011.

It is a happy number.

11053987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11053987 - 2³ = 11053979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11053981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789564 + ... + 789577.

It is an arithmetic number, because the mean of its divisors is an integer number (3158284).

Almost surely, 2^11053987 is an apocalyptic number.

11053987 is a deficient number, since it is larger than the sum of its proper divisors (1579149).

11053987 is an equidigital number, since it uses as much as digits as its factorization.

11053987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579148.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 11053987 is about 3324.7536750863. The cubic root of 11053987 is about 222.7612518527.

Adding to 11053987 its reverse (78935011), we get a palindrome (89988998).

The spelling of 11053987 in words is "eleven million, fifty-three thousand, nine hundred eighty-seven".