11424043997 has 2 divisors, whose sum is σ = 11424043998. Its totient is φ = 11424043996.

The previous prime is 11424043991. The next prime is 11424044011. The reversal of 11424043997 is 79934042411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8839948441 + 2584095556 = 94021^2 + 50834^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424043997 - 2²⁶ = 11356935133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11424043991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712021998 + 5712021999.

It is an arithmetic number, because the mean of its divisors is an integer number (5712021999).

Almost surely, 2^11424043997 is an apocalyptic number.

It is an amenable number.

11424043997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11424043997 is an equidigital number, since it uses as much as digits as its factorization.

11424043997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 11424043997 in words is "eleven billion, four hundred twenty-four million, forty-three thousand, nine hundred ninety-seven".