11113587 has 6 divisors (see below), whose sum is σ = 16052972. Its totient is φ = 7409052.

The previous prime is 11113567. The next prime is 11113589. The reversal of 11113587 is 78531111.

11113587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11113587 - 2¹² = 11109491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11113587.

It is not an unprimeable number, because it can be changed into a prime (11113589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617413 + ... + 617430.

Almost surely, 2^11113587 is an apocalyptic number.

11113587 is a deficient number, since it is larger than the sum of its proper divisors (4939385).

11113587 is a wasteful number, since it uses less digits than its factorization.

11113587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234849 (or 1234846 counting only the distinct ones).

The product of its digits is 840, while the sum is 27.

The square root of 11113587 is about 3333.7046959801. The cubic root of 11113587 is about 223.1608898791.

Adding to 11113587 its reverse (78531111), we get a palindrome (89644698).

The spelling of 11113587 in words is "eleven million, one hundred thirteen thousand, five hundred eighty-seven".