11132587 has 4 divisors (see below), whose sum is σ = 11289456. Its totient is φ = 10975720.

The previous prime is 11132567. The next prime is 11132599. The reversal of 11132587 is 78523111.

11132587 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 78523111 = 457 ⋅171823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132557) 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, 78328 + ... + 78469.

It is an arithmetic number, because the mean of its divisors is an integer number (2822364).

Almost surely, 2^11132587 is an apocalyptic number.

11132587 is a deficient number, since it is larger than the sum of its proper divisors (156869).

11132587 is an equidigital number, since it uses as much as digits as its factorization.

11132587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156868.

The product of its digits is 1680, while the sum is 28.

The square root of 11132587 is about 3336.5531615726. The cubic root of 11132587 is about 223.2879908444.

Adding to 11132587 its reverse (78523111), we get a palindrome (89655698).

The spelling of 11132587 in words is "eleven million, one hundred thirty-two thousand, five hundred eighty-seven".