1142531404112 has 120 divisors (see below), whose sum is σ = 2604555547776. Its totient is φ = 475405242624.

The previous prime is 1142531404103. The next prime is 1142531404141. The reversal of 1142531404112 is 2114041352411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835794053 + ... + 835795419.

Almost surely, 2^{1142531404112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142531404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302277773888).

1142531404112 is an abundant number, since it is smaller than the sum of its proper divisors (1462024143664).

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

1142531404112 is an equidigital number, since it uses as much as digits as its factorization.

1142531404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1142531404112 its reverse (2114041352411), we get a palindrome (3256572756523).

The spelling of 1142531404112 in words is "one trillion, one hundred forty-two billion, five hundred thirty-one million, four hundred four thousand, one hundred twelve".