11432211223440 has 80 divisors (see below), whose sum is σ = 40502691197568. Its totient is φ = 2613076850688.

The previous prime is 11432211223439. The next prime is 11432211223549. The reversal of 11432211223440 is 4432211223411.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11432211223398 and 11432211223407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402442137 + ... + 3402445496.

Almost surely, 2^{11432211223440} is an apocalyptic number.

11432211223440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432211223440 is an abundant number, since it is smaller than the sum of its proper divisors (29070479974128).

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

11432211223440 is a wasteful number, since it uses less digits than its factorization.

11432211223440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804887656 (or 6804887650 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 11432211223440 its reverse (4432211223411), we get a palindrome (15864422446851).

The spelling of 11432211223440 in words is "eleven trillion, four hundred thirty-two billion, two hundred eleven million, two hundred twenty-three thousand, four hundred forty".