11331421441 has 8 divisors (see below), whose sum is σ = 11402524224. Its totient is φ = 11260357680.

The previous prime is 11331421411. The next prime is 11331421471. The reversal of 11331421441 is 14412413311.

It is an interprime number because it is at equal distance from previous prime (11331421411) and next prime (11331421471).

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 11331421441 - 2²⁷ = 11197203713 is a prime.

It is a super-2 number, since 2×11331421441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331421411) 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, 761331 + ... + 776071.

It is an arithmetic number, because the mean of its divisors is an integer number (1425315528).

Almost surely, 2^11331421441 is an apocalyptic number.

It is an amenable number.

11331421441 is a deficient number, since it is larger than the sum of its proper divisors (71102783).

11331421441 is a wasteful number, since it uses less digits than its factorization.

11331421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511.

The product of its digits is 1152, while the sum is 25.

Adding to 11331421441 its reverse (14412413311), we get a palindrome (25743834752).

The spelling of 11331421441 in words is "eleven billion, three hundred thirty-one million, four hundred twenty-one thousand, four hundred forty-one".