11140311443421 has 8 divisors (see below), whose sum is σ = 14853766397184. Its totient is φ = 7426865392640.

The previous prime is 11140311443407. The next prime is 11140311443431. The reversal of 11140311443421 is 12434411304111.

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 11140311443421 - 2¹³ = 11140311435229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140311443431) 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, 1666141 + ... + 5005661.

It is an arithmetic number, because the mean of its divisors is an integer number (1856720799648).

Almost surely, 2^{11140311443421} is an apocalyptic number.

It is an amenable number.

11140311443421 is a deficient number, since it is larger than the sum of its proper divisors (3713454953763).

11140311443421 is a wasteful number, since it uses less digits than its factorization.

11140311443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451491.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 11140311443421 its reverse (12434411304111), we get a palindrome (23574722747532).

The spelling of 11140311443421 in words is "eleven trillion, one hundred forty billion, three hundred eleven million, four hundred forty-three thousand, four hundred twenty-one".