11400013321 has 4 divisors (see below), whose sum is σ = 11450233872. Its totient is φ = 11349792772.

The previous prime is 11400013309. The next prime is 11400013333. The reversal of 11400013321 is 12331000411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12331000411 = 5119 ⋅2408869.

It is an interprime number because it is at equal distance from previous prime (11400013309) and next prime (11400013333).

It is a cyclic number.

It is not a de Polignac number, because 11400013321 - 2²⁵ = 11366458889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11400013295 and 11400013304.

It is not an unprimeable number, because it can be changed into a prime (11400013381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25109935 + ... + 25110388.

It is an arithmetic number, because the mean of its divisors is an integer number (2862558468).

Almost surely, 2^11400013321 is an apocalyptic number.

It is an amenable number.

11400013321 is a deficient number, since it is larger than the sum of its proper divisors (50220551).

11400013321 is an equidigital number, since it uses as much as digits as its factorization.

11400013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50220550.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11400013321 its reverse (12331000411), we get a palindrome (23731013732).

The spelling of 11400013321 in words is "eleven billion, four hundred million, thirteen thousand, three hundred twenty-one".