11445661516411 has 4 divisors (see below), whose sum is σ = 11633295311824. Its totient is φ = 11258027721000.

The previous prime is 11445661516403. The next prime is 11445661516417. The reversal of 11445661516411 is 11461516654411.

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 11445661516411 - 2³ = 11445661516403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11445661516417) 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, 93816897615 + ... + 93816897736.

It is an arithmetic number, because the mean of its divisors is an integer number (2908323827956).

Almost surely, 2^{11445661516411} is an apocalyptic number.

11445661516411 is a deficient number, since it is larger than the sum of its proper divisors (187633795413).

11445661516411 is an equidigital number, since it uses as much as digits as its factorization.

11445661516411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187633795412.

The product of its digits is 345600, while the sum is 46.

The spelling of 11445661516411 in words is "eleven trillion, four hundred forty-five billion, six hundred sixty-one million, five hundred sixteen thousand, four hundred eleven".