11124656647 has 4 divisors (see below), whose sum is σ = 11980399480. Its totient is φ = 10268913816.

The previous prime is 11124656623. The next prime is 11124656651. The reversal of 11124656647 is 74665642111.

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 11124656647 - 2⁷ = 11124656519 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 (11124654647) 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, 427871397 + ... + 427871422.

It is an arithmetic number, because the mean of its divisors is an integer number (2995099870).

Almost surely, 2^11124656647 is an apocalyptic number.

11124656647 is a deficient number, since it is larger than the sum of its proper divisors (855742833).

11124656647 is an equidigital number, since it uses as much as digits as its factorization.

11124656647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855742832.

The product of its digits is 241920, while the sum is 43.

The spelling of 11124656647 in words is "eleven billion, one hundred twenty-four million, six hundred fifty-six thousand, six hundred forty-seven".