1143522111020 has 48 divisors (see below), whose sum is σ = 2423757210336. Its totient is φ = 453161280000.

The previous prime is 1143522110957. The next prime is 1143522111041. The reversal of 1143522111020 is 201112253411.

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, 1211510 + ... + 1937730.

It is an arithmetic number, because the mean of its divisors is an integer number (50494941882).

Almost surely, 2^{1143522111020} is an apocalyptic number.

1143522111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143522111020 is an abundant number, since it is smaller than the sum of its proper divisors (1280235099316).

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

1143522111020 is a wasteful number, since it uses less digits than its factorization.

1143522111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726962 (or 726960 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1143522111020 its reverse (201112253411), we get a palindrome (1344634364431).

The spelling of 1143522111020 in words is "one trillion, one hundred forty-three billion, five hundred twenty-two million, one hundred eleven thousand, twenty".