11404040393 has 2 divisors, whose sum is σ = 11404040394. Its totient is φ = 11404040392.

The previous prime is 11404040383. The next prime is 11404040423. The reversal of 11404040393 is 39304040411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5923303369 + 5480737024 = 76963^2 + 74032^2 .

It is an emirp because it is prime and its reverse (39304040411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11404040393 - 2¹⁸ = 11403778249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11404040303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702020196 + 5702020197.

It is an arithmetic number, because the mean of its divisors is an integer number (5702020197).

Almost surely, 2^11404040393 is an apocalyptic number.

It is an amenable number.

11404040393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404040393 is an equidigital number, since it uses as much as digits as its factorization.

11404040393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

It can be divided in two parts, 11 and 404040393, that added together give a palindrome (404040404).

The spelling of 11404040393 in words is "eleven billion, four hundred four million, forty thousand, three hundred ninety-three".