11400440201421 has 8 divisors (see below), whose sum is σ = 15200647291200. Its totient is φ = 7600263289632.

The previous prime is 11400440201407. The next prime is 11400440201429. The reversal of 11400440201421 is 12410204400411.

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

It is not a de Polignac number, because 11400440201421 - 2²⁵ = 11400406646989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11400440201391 and 11400440201400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400440201429) 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, 6647800 + ... + 8184993.

It is an arithmetic number, because the mean of its divisors is an integer number (1900080911400).

Almost surely, 2^{11400440201421} is an apocalyptic number.

It is an amenable number.

11400440201421 is a deficient number, since it is larger than the sum of its proper divisors (3800207089779).

11400440201421 is a wasteful number, since it uses less digits than its factorization.

11400440201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15088995.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11400440201421 its reverse (12410204400411), we get a palindrome (23810644601832).

The spelling of 11400440201421 in words is "eleven trillion, four hundred billion, four hundred forty million, two hundred one thousand, four hundred twenty-one".