1143204422500 has 240 divisors, whose sum is σ = 2920532630400. Its totient is φ = 391266960000.

The previous prime is 1143204422471. The next prime is 1143204422501. The reversal of 1143204422500 is 52244023411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1143204422501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 832631814 + ... + 832633186.

It is an arithmetic number, because the mean of its divisors is an integer number (12168885960).

Almost surely, 2^{1143204422500} is an apocalyptic number.

1143204422500 is a gapful number since it is divisible by the number (10) 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 1143204422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460266315200).

1143204422500 is an abundant number, since it is smaller than the sum of its proper divisors (1777328207900).

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

1143204422500 is an equidigital number, since it uses as much as digits as its factorization.

1143204422500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1143204422500 its reverse (52244023411), we get a palindrome (1195448445911).

The spelling of 1143204422500 in words is "one trillion, one hundred forty-three billion, two hundred four million, four hundred twenty-two thousand, five hundred".