11000004487 has 4 divisors (see below), whose sum is σ = 11000434320. Its totient is φ = 10999574656.

The previous prime is 11000004473. The next prime is 11000004539. The reversal of 11000004487 is 78440000011.

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 11000004487 - 2²³ = 10991615879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000004187) 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, 173923 + ... + 228580.

It is an arithmetic number, because the mean of its divisors is an integer number (2750108580).

Almost surely, 2^11000004487 is an apocalyptic number.

11000004487 is a deficient number, since it is larger than the sum of its proper divisors (429833).

11000004487 is an equidigital number, since it uses as much as digits as its factorization.

11000004487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429832.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 11000004487 its reverse (78440000011), we get a palindrome (89440004498).

The spelling of 11000004487 in words is "eleven billion, four thousand, four hundred eighty-seven".