11400401040321 has 16 divisors (see below), whose sum is σ = 15245884862208. Its totient is φ = 7577619081600.

The previous prime is 11400401040271. The next prime is 11400401040359. The reversal of 11400401040321 is 12304010400411.

It is not a de Polignac number, because 11400401040321 - 2⁹ = 11400401039809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11400401040121) 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, 1645716 + ... + 5050661.

It is an arithmetic number, because the mean of its divisors is an integer number (952867803888).

Almost surely, 2^{11400401040321} is an apocalyptic number.

It is an amenable number.

11400401040321 is a deficient number, since it is larger than the sum of its proper divisors (3845483821887).

11400401040321 is a wasteful number, since it uses less digits than its factorization.

11400401040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698072.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11400401040321 its reverse (12304010400411), we get a palindrome (23704411440732).

The spelling of 11400401040321 in words is "eleven trillion, four hundred billion, four hundred one million, forty thousand, three hundred twenty-one".