1142553114120 has 192 divisors, whose sum is σ = 3829359280320. Its totient is φ = 272441664000.

The previous prime is 1142553114097. The next prime is 1142553114127. The reversal of 1142553114120 is 214113552411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1142553114127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240735 + ... + 1530705.

It is an arithmetic number, because the mean of its divisors is an integer number (19944579585).

Almost surely, 2^{1142553114120} is an apocalyptic number.

1142553114120 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 1142553114120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914679640160).

1142553114120 is an abundant number, since it is smaller than the sum of its proper divisors (2686806166200).

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

1142553114120 is a wasteful number, since it uses less digits than its factorization.

1142553114120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290068 (or 1290053 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 1142553114120 its reverse (214113552411), we get a palindrome (1356666666531).

The spelling of 1142553114120 in words is "one trillion, one hundred forty-two billion, five hundred fifty-three million, one hundred fourteen thousand, one hundred twenty".