11404039211 has 2 divisors, whose sum is σ = 11404039212. Its totient is φ = 11404039210.

The previous prime is 11404039201. The next prime is 11404039219. The reversal of 11404039211 is 11293040411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11404039211 - 2¹⁰ = 11404038187 is a prime.

It is a super-2 number, since 2×11404039211² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11404039219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702019605 + 5702019606.

It is an arithmetic number, because the mean of its divisors is an integer number (5702019606).

Almost surely, 2^11404039211 is an apocalyptic number.

11404039211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404039211 is an equidigital number, since it uses as much as digits as its factorization.

11404039211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 11404039211 its reverse (11293040411), we get a palindrome (22697079622).

The spelling of 11404039211 in words is "eleven billion, four hundred four million, thirty-nine thousand, two hundred eleven".