11223642747 has 8 divisors (see below), whose sum is σ = 15218498880. Its totient is φ = 7355607560.

The previous prime is 11223642739. The next prime is 11223642757. The reversal of 11223642747 is 74724632211.

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

It is a cyclic number.

It is not a de Polignac number, because 11223642747 - 2³ = 11223642739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223642737) 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, 31705029 + ... + 31705382.

It is an arithmetic number, because the mean of its divisors is an integer number (1902312360).

Almost surely, 2^11223642747 is an apocalyptic number.

11223642747 is a deficient number, since it is larger than the sum of its proper divisors (3994856133).

11223642747 is an equidigital number, since it uses as much as digits as its factorization.

11223642747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63410473.

The product of its digits is 112896, while the sum is 39.

The spelling of 11223642747 in words is "eleven billion, two hundred twenty-three million, six hundred forty-two thousand, seven hundred forty-seven".