11454446551 has 4 divisors (see below), whose sum is σ = 11456047512. Its totient is φ = 11452845592.

The previous prime is 11454446537. The next prime is 11454446561. The reversal of 11454446551 is 15564445411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11454446551 - 2¹¹ = 11454444503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454446561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789700 + ... + 804073.

It is an arithmetic number, because the mean of its divisors is an integer number (2864011878).

Almost surely, 2^11454446551 is an apocalyptic number.

11454446551 is a deficient number, since it is larger than the sum of its proper divisors (1600961).

11454446551 is an equidigital number, since it uses as much as digits as its factorization.

11454446551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600960.

The product of its digits is 192000, while the sum is 40.

The spelling of 11454446551 in words is "eleven billion, four hundred fifty-four million, four hundred forty-six thousand, five hundred fifty-one".