11293894488321 has 27 divisors (see below), whose sum is σ = 16382326424737. Its totient is φ = 7497585609000.

The previous prime is 11293894488311. The next prime is 11293894488323. The reversal of 11293894488321 is 12388449839211.

The square root of 11293894488321 is 3360639.

It is a perfect power (a square), and thus also a powerful number.

11293894488321 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 38 + 94 + 488 + 32 + 1 = 666.

It is not a de Polignac number, because 11293894488321 - 2¹⁵ = 11293894455553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11293894488323) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2530558936 + ... + 2530563398.

Almost surely, 2^{11293894488321} is an apocalyptic number.

11293894488321 is the 3360639-th square number.

11293894488321 is the 1680320-th centered octagonal number.

It is an amenable number.

11293894488321 is a deficient number, since it is larger than the sum of its proper divisors (5088431936416).

11293894488321 is an frugal number, since it uses more digits than its factorization.

11293894488321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434 (or 4717 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The spelling of 11293894488321 in words is "eleven trillion, two hundred ninety-three billion, eight hundred ninety-four million, four hundred eighty-eight thousand, three hundred twenty-one".