11061987 has 8 divisors (see below), whose sum is σ = 14767104. Its totient is φ = 7365768.

The previous prime is 11061979. The next prime is 11061989. The reversal of 11061987 is 78916011.

11061987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11061987 - 2³ = 11061979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11061989) 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, 1638 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (1845888).

Almost surely, 2^11061987 is an apocalyptic number.

11061987 is a deficient number, since it is larger than the sum of its proper divisors (3705117).

11061987 is a wasteful number, since it uses less digits than its factorization.

11061987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 11061987 is about 3325.9565541360. The cubic root of 11061987 is about 222.8149778756.

Adding to 11061987 its reverse (78916011), we get a palindrome (89977998).

The spelling of 11061987 in words is "eleven million, sixty-one thousand, nine hundred eighty-seven".