11342433331421 has 4 divisors (see below), whose sum is σ = 11342445210972. Its totient is φ = 11342421451872.

The previous prime is 11342433331409. The next prime is 11342433331423. The reversal of 11342433331421 is 12413333424311.

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 4204185268921 + 7138248062500 = 2050411^2 + 2671750^2 .

It is a cyclic number.

It is not a de Polignac number, because 11342433331421 - 2⁶ = 11342433331357 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 (11342433331423) 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, 4369160 + ... + 6463313.

It is an arithmetic number, because the mean of its divisors is an integer number (2835611302743).

Almost surely, 2^{11342433331421} is an apocalyptic number.

It is an amenable number.

11342433331421 is a deficient number, since it is larger than the sum of its proper divisors (11879551).

11342433331421 is a wasteful number, since it uses less digits than its factorization.

11342433331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879550.

The product of its digits is 62208, while the sum is 35.

Adding to 11342433331421 its reverse (12413333424311), we get a palindrome (23755766755732).

The spelling of 11342433331421 in words is "eleven trillion, three hundred forty-two billion, four hundred thirty-three million, three hundred thirty-one thousand, four hundred twenty-one".