11232042543440 has 80 divisors (see below), whose sum is σ = 26150229976080. Its totient is φ = 4486671544320.

The previous prime is 11232042543431. The next prime is 11232042543479. The reversal of 11232042543440 is 4434524023211.

It can be written as a sum of positive squares in 8 ways, for example, as 160531640896 + 11071510902544 = 400664^2 + 3327388^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11232042543440² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11232042543440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624791732 + ... + 624809708.

It is an arithmetic number, because the mean of its divisors is an integer number (326877874701).

Almost surely, 2^{11232042543440} is an apocalyptic number.

11232042543440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11232042543440 is an abundant number, since it is smaller than the sum of its proper divisors (14918187432640).

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

11232042543440 is a wasteful number, since it uses less digits than its factorization.

11232042543440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28240 (or 28234 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 11232042543440 its reverse (4434524023211), we get a palindrome (15666566566651).

The spelling of 11232042543440 in words is "eleven trillion, two hundred thirty-two billion, forty-two million, five hundred forty-three thousand, four hundred forty".