11456103643621 has 16 divisors (see below), whose sum is σ = 14101042032000. Its totient is φ = 9063384239808.

The previous prime is 11456103643511. The next prime is 11456103643639. The reversal of 11456103643621 is 12634630165411.

It is a cyclic number.

It is not a de Polignac number, because 11456103643621 - 2⁹ = 11456103643109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456103643121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399351 + ... + 6501268.

It is an arithmetic number, because the mean of its divisors is an integer number (881315127000).

Almost surely, 2^{11456103643621} is an apocalyptic number.

It is an amenable number.

11456103643621 is a deficient number, since it is larger than the sum of its proper divisors (2644938388379).

11456103643621 is a wasteful number, since it uses less digits than its factorization.

11456103643621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912188.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 11456103643621 in words is "eleven trillion, four hundred fifty-six billion, one hundred three million, six hundred forty-three thousand, six hundred twenty-one".