1141430643472 has 120 divisors (see below), whose sum is σ = 2654302301280. Its totient is φ = 473817899520.

The previous prime is 1141430643439. The next prime is 1141430643503. The reversal of 1141430643472 is 2743460341411.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4340283 + ... + 4595749.

It is an arithmetic number, because the mean of its divisors is an integer number (22119185844).

Almost surely, 2^{1141430643472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141430643472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327151150640).

1141430643472 is an abundant number, since it is smaller than the sum of its proper divisors (1512871657808).

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

1141430643472 is a wasteful number, since it uses less digits than its factorization.

1141430643472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255669 (or 255656 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 1141430643472 its reverse (2743460341411), we get a palindrome (3884890984883).

The spelling of 1141430643472 in words is "one trillion, one hundred forty-one billion, four hundred thirty million, six hundred forty-three thousand, four hundred seventy-two".