1101232443432 has 256 divisors, whose sum is σ = 3101535360000. Its totient is φ = 322953523200.

The previous prime is 1101232443431. The next prime is 1101232443461. The reversal of 1101232443432 is 2343442321011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101232443432.

It is not an unprimeable number, because it can be changed into a prime (1101232443431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1249979632 + ... + 1249980512.

It is an arithmetic number, because the mean of its divisors is an integer number (12115372500).

Almost surely, 2^{1101232443432} is an apocalyptic number.

1101232443432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101232443432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550767680000).

1101232443432 is an abundant number, since it is smaller than the sum of its proper divisors (2000302916568).

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

1101232443432 is a wasteful number, since it uses less digits than its factorization.

1101232443432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1101232443432 its reverse (2343442321011), we get a palindrome (3444674764443).

The spelling of 1101232443432 in words is "one trillion, one hundred one billion, two hundred thirty-two million, four hundred forty-three thousand, four hundred thirty-two".