11530224521 has 8 divisors (see below), whose sum is σ = 11929705920. Its totient is φ = 11130869008.

The previous prime is 11530224469. The next prime is 11530224523. The reversal of 11530224521 is 12542203511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11530224521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530224523) 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, 178790 + ... + 234576.

It is an arithmetic number, because the mean of its divisors is an integer number (1491213240).

Almost surely, 2^11530224521 is an apocalyptic number.

It is an amenable number.

11530224521 is a deficient number, since it is larger than the sum of its proper divisors (399481399).

11530224521 is an equidigital number, since it uses as much as digits as its factorization.

11530224521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62943.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 11530224521 in words is "eleven billion, five hundred thirty million, two hundred twenty-four thousand, five hundred twenty-one".