11440267451 has 2 divisors, whose sum is σ = 11440267452. Its totient is φ = 11440267450.

The previous prime is 11440267381. The next prime is 11440267471. The reversal of 11440267451 is 15476204411.

11440267451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15476204411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11440267451 - 2³⁰ = 10366525627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11440267471) 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, 5720133725 + 5720133726.

It is an arithmetic number, because the mean of its divisors is an integer number (5720133726).

Almost surely, 2^11440267451 is an apocalyptic number.

11440267451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440267451 is an equidigital number, since it uses as much as digits as its factorization.

11440267451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 11440267451 in words is "eleven billion, four hundred forty million, two hundred sixty-seven thousand, four hundred fifty-one".