11404403081 has 2 divisors, whose sum is σ = 11404403082. Its totient is φ = 11404403080.

The previous prime is 11404403077. The next prime is 11404403141. The reversal of 11404403081 is 18030440411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7277625481 + 4126777600 = 85309^2 + 64240^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404403081 - 2² = 11404403077 is a prime.

It is a super-2 number, since 2×11404403081² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11404403081.

It is not a weakly prime, because it can be changed into another prime (11404403051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702201540 + 5702201541.

It is an arithmetic number, because the mean of its divisors is an integer number (5702201541).

Almost surely, 2^11404403081 is an apocalyptic number.

It is an amenable number.

11404403081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404403081 is an equidigital number, since it uses as much as digits as its factorization.

11404403081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 11404403081 its reverse (18030440411), we get a palindrome (29434843492).

The spelling of 11404403081 in words is "eleven billion, four hundred four million, four hundred three thousand, eighty-one".