11228530789 has 16 divisors (see below), whose sum is σ = 13152071680. Its totient is φ = 9385573680.

The previous prime is 11228530771. The next prime is 11228530829. The reversal of 11228530789 is 98703582211.

It is a happy number.

It is not a de Polignac number, because 11228530789 - 2¹¹ = 11228528741 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 (11228530589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160372 + ... + 219490.

It is an arithmetic number, because the mean of its divisors is an integer number (822004480).

Almost surely, 2^11228530789 is an apocalyptic number.

It is an amenable number.

11228530789 is a deficient number, since it is larger than the sum of its proper divisors (1923540891).

11228530789 is an equidigital number, since it uses as much as digits as its factorization.

11228530789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59800.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 11228530789 in words is "eleven billion, two hundred twenty-eight million, five hundred thirty thousand, seven hundred eighty-nine".