11454453443015 has 64 divisors (see below), whose sum is σ = 15946229376000. Its totient is φ = 7811169914880.

The previous prime is 11454453442909. The next prime is 11454453443023. The reversal of 11454453443015 is 51034435445411.

It is a happy number.

It is not a de Polignac number, because 11454453443015 - 2³⁰ = 11453379701191 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 105763622 + ... + 105871868.

It is an arithmetic number, because the mean of its divisors is an integer number (249159834000).

Almost surely, 2^{11454453443015} is an apocalyptic number.

11454453443015 is a deficient number, since it is larger than the sum of its proper divisors (4491775932985).

11454453443015 is a wasteful number, since it uses less digits than its factorization.

11454453443015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109320.

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 11454453443015 its reverse (51034435445411), we get a palindrome (62488888888426).

The spelling of 11454453443015 in words is "eleven trillion, four hundred fifty-four billion, four hundred fifty-three million, four hundred forty-three thousand, fifteen".