11243141421144 has 64 divisors (see below), whose sum is σ = 28176962940000. Its totient is φ = 3738503086080.

The previous prime is 11243141421143. The next prime is 11243141421167. The reversal of 11243141421144 is 44112414134211.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243141421143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47393064 + ... + 47629704.

Almost surely, 2^{11243141421144} is an apocalyptic number.

It is an amenable number.

11243141421144 is an abundant number, since it is smaller than the sum of its proper divisors (16933821518856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11243141421144 is a wasteful number, since it uses less digits than its factorization.

11243141421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241508 (or 241504 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

Adding to 11243141421144 its reverse (44112414134211), we get a palindrome (55355555555355).

The spelling of 11243141421144 in words is "eleven trillion, two hundred forty-three billion, one hundred forty-one million, four hundred twenty-one thousand, one hundred forty-four".