11454256321 has 8 divisors (see below), whose sum is σ = 11490396840. Its totient is φ = 11418150912.

The previous prime is 11454256313. The next prime is 11454256327. The reversal of 11454256321 is 12365245411.

It can be written as a sum of positive squares in 4 ways, for example, as 274366096 + 11179890225 = 16564^2 + 105735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11454256321 - 2³ = 11454256313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11454256327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744321 + ... + 759553.

It is an arithmetic number, because the mean of its divisors is an integer number (1436299605).

Almost surely, 2^11454256321 is an apocalyptic number.

It is an amenable number.

11454256321 is a deficient number, since it is larger than the sum of its proper divisors (36140519).

11454256321 is a wasteful number, since it uses less digits than its factorization.

11454256321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555.

The product of its digits is 28800, while the sum is 34.

The spelling of 11454256321 in words is "eleven billion, four hundred fifty-four million, two hundred fifty-six thousand, three hundred twenty-one".