11454646441521 has 32 divisors (see below), whose sum is σ = 16005417512832. Its totient is φ = 7280188231680.

The previous prime is 11454646441493. The next prime is 11454646441523. The reversal of 11454646441521 is 12514464645411.

It is not a de Polignac number, because 11454646441521 - 2¹¹ = 11454646439473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11454646441523) 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 31 ways as a sum of consecutive naturals, for example, 3020850 + ... + 5659931.

It is an arithmetic number, because the mean of its divisors is an integer number (500169297276).

Almost surely, 2^{11454646441521} is an apocalyptic number.

It is an amenable number.

11454646441521 is a deficient number, since it is larger than the sum of its proper divisors (4550771071311).

11454646441521 is a wasteful number, since it uses less digits than its factorization.

11454646441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681073.

The product of its digits is 1843200, while the sum is 48.

The spelling of 11454646441521 in words is "eleven trillion, four hundred fifty-four billion, six hundred forty-six million, four hundred forty-one thousand, five hundred twenty-one".