1144111142000 has 80 divisors (see below), whose sum is σ = 2769583931712. Its totient is φ = 457127801600.

The previous prime is 1144111141949. The next prime is 1144111142011. The reversal of 1144111142000 is 2411114411.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

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, 1451534 + ... + 2096466.

Almost surely, 2^{1144111142000} is an apocalyptic number.

1144111142000 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 1144111142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384791965856).

1144111142000 is an abundant number, since it is smaller than the sum of its proper divisors (1625472789712).

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

1144111142000 is an equidigital number, since it uses as much as digits as its factorization.

1144111142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645843 (or 645827 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1144111142000 its reverse (2411114411), we get a palindrome (1146522256411).

The spelling of 1144111142000 in words is "one trillion, one hundred forty-four billion, one hundred eleven million, one hundred forty-two thousand".