11455443045 has 48 divisors (see below), whose sum is σ = 20915818560. Its totient is φ = 5783954688.

The previous prime is 11455443037. The next prime is 11455443049. The reversal of 11455443045 is 54034455411.

11455443045 is a `hidden beast` number, since 1 + 1 + 45 + 544 + 30 + 45 = 666.

It is not a de Polignac number, because 11455443045 - 2³ = 11455443037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455443049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1494994 + ... + 1502636.

It is an arithmetic number, because the mean of its divisors is an integer number (435746220).

Almost surely, 2^11455443045 is an apocalyptic number.

11455443045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11455443045 is a deficient number, since it is larger than the sum of its proper divisors (9460375515).

11455443045 is a wasteful number, since it uses less digits than its factorization.

11455443045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 11455443045 its reverse (54034455411), we get a palindrome (65489898456).

The spelling of 11455443045 in words is "eleven billion, four hundred fifty-five million, four hundred forty-three thousand, forty-five".