1131033120320 has 56 divisors (see below), whose sum is σ = 2786144110200. Its totient is φ = 436812787712.

The previous prime is 1131033120271. The next prime is 1131033120431. The reversal of 1131033120320 is 230213301311.

It can be written as a sum of positive squares in 4 ways, for example, as 235178442304 + 895854678016 = 484952^2 + 946496^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1131033120292 and 1131033120301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60930005 + ... + 60948564.

Almost surely, 2^{1131033120320} is an apocalyptic number.

1131033120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131033120320 is an abundant number, since it is smaller than the sum of its proper divisors (1655110989880).

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

1131033120320 is a wasteful number, since it uses less digits than its factorization.

1131033120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121878615 (or 121878605 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131033120320 its reverse (230213301311), we get a palindrome (1361246421631).

The spelling of 1131033120320 in words is "one trillion, one hundred thirty-one billion, thirty-three million, one hundred twenty thousand, three hundred twenty".