11040221393 has 2 divisors, whose sum is σ = 11040221394. Its totient is φ = 11040221392.

The previous prime is 11040221371. The next prime is 11040221407. The reversal of 11040221393 is 39312204011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6732530704 + 4307690689 = 82052^2 + 65633^2 .

It is a cyclic number.

It is not a de Polignac number, because 11040221393 - 2¹⁴ = 11040205009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11040221303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520110696 + 5520110697.

It is an arithmetic number, because the mean of its divisors is an integer number (5520110697).

Almost surely, 2^11040221393 is an apocalyptic number.

It is an amenable number.

11040221393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040221393 is an equidigital number, since it uses as much as digits as its factorization.

11040221393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11040221393 in words is "eleven billion, forty million, two hundred twenty-one thousand, three hundred ninety-three".