11844552997 has 2 divisors, whose sum is σ = 11844552998. Its totient is φ = 11844552996.

The previous prime is 11844552977. The next prime is 11844553079. The reversal of 11844552997 is 79925544811.

11844552997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9154471041 + 2690081956 = 95679^2 + 51866^2 .

It is a cyclic number.

It is not a de Polignac number, because 11844552997 - 2²⁷ = 11710335269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11844552977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922276498 + 5922276499.

It is an arithmetic number, because the mean of its divisors is an integer number (5922276499).

Almost surely, 2^11844552997 is an apocalyptic number.

It is an amenable number.

11844552997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11844552997 is an equidigital number, since it uses as much as digits as its factorization.

11844552997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 55.

The spelling of 11844552997 in words is "eleven billion, eight hundred forty-four million, five hundred fifty-two thousand, nine hundred ninety-seven".