11255630321 has 8 divisors (see below), whose sum is σ = 12122617920. Its totient is φ = 10388809872.

The previous prime is 11255630303. The next prime is 11255630327. The reversal of 11255630321 is 12303655211.

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-11255630321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11255630327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121826 + ... + 193268.

It is an arithmetic number, because the mean of its divisors is an integer number (1515327240).

Almost surely, 2^11255630321 is an apocalyptic number.

It is an amenable number.

11255630321 is a deficient number, since it is larger than the sum of its proper divisors (866987599).

11255630321 is a wasteful number, since it uses less digits than its factorization.

11255630321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83575.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 11255630321 in words is "eleven billion, two hundred fifty-five million, six hundred thirty thousand, three hundred twenty-one".