1411332043421 has 4 divisors (see below), whose sum is σ = 1411755997500. Its totient is φ = 1410908089344.

The previous prime is 1411332043351. The next prime is 1411332043463. The reversal of 1411332043421 is 1243402331141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 682955140921 + 728376902500 = 826411^2 + 853450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1411332043421 - 2¹⁰ = 1411332042397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411332043721) 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, 211972046 + ... + 211978703.

It is an arithmetic number, because the mean of its divisors is an integer number (352938999375).

Almost surely, 2^{1411332043421} is an apocalyptic number.

It is an amenable number.

1411332043421 is a deficient number, since it is larger than the sum of its proper divisors (423954079).

1411332043421 is an equidigital number, since it uses as much as digits as its factorization.

1411332043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423954078.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1411332043421 its reverse (1243402331141), we get a palindrome (2654734374562).

The spelling of 1411332043421 in words is "one trillion, four hundred eleven billion, three hundred thirty-two million, forty-three thousand, four hundred twenty-one".