1320032513144 has 32 divisors (see below), whose sum is σ = 2532260335680. Its totient is φ = 644813518464.

The previous prime is 1320032513077. The next prime is 1320032513147. The reversal of 1320032513144 is 4413152300231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320032513147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942027 + ... + 3360890.

It is an arithmetic number, because the mean of its divisors is an integer number (79133135490).

Almost surely, 2^{1320032513144} is an apocalyptic number.

It is an amenable number.

1320032513144 is a deficient number, since it is larger than the sum of its proper divisors (1212227822536).

1320032513144 is a wasteful number, since it uses less digits than its factorization.

1320032513144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303527 (or 6303523 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1320032513144 its reverse (4413152300231), we get a palindrome (5733184813375).

The spelling of 1320032513144 in words is "one trillion, three hundred twenty billion, thirty-two million, five hundred thirteen thousand, one hundred forty-four".