1142581982652 has 72 divisors (see below), whose sum is σ = 3151058182272. Its totient is φ = 346203799200.

The previous prime is 1142581982629. The next prime is 1142581982653. The reversal of 1142581982652 is 2562891852411.

It is a happy number.

1142581982652 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 581 + 9 + 8 + 2 + 6 + 52 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142581982653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170577 + ... + 4436087.

It is an arithmetic number, because the mean of its divisors is an integer number (43764696976).

Almost surely, 2^{1142581982652} is an apocalyptic number.

1142581982652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142581982652 is an abundant number, since it is smaller than the sum of its proper divisors (2008476199620).

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

1142581982652 is a wasteful number, since it uses less digits than its factorization.

1142581982652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276399 (or 276394 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 1142581982652 in words is "one trillion, one hundred forty-two billion, five hundred eighty-one million, nine hundred eighty-two thousand, six hundred fifty-two".