1006533431542 has 4 divisors (see below), whose sum is σ = 1509800147316. Its totient is φ = 503266715770.

The previous prime is 1006533431489. The next prime is 1006533431543. The reversal of 1006533431542 is 2451343356001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006533431543) 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 as a sum of consecutive naturals, namely, 251633357884 + ... + 251633357887.

It is an arithmetic number, because the mean of its divisors is an integer number (377450036829).

Almost surely, 2^{1006533431542} is an apocalyptic number.

1006533431542 is a deficient number, since it is larger than the sum of its proper divisors (503266715774).

1006533431542 is an equidigital number, since it uses as much as digits as its factorization.

1006533431542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503266715773.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 1006533431542 its reverse (2451343356001), we get a palindrome (3457876787543).

The spelling of 1006533431542 in words is "one trillion, six billion, five hundred thirty-three million, four hundred thirty-one thousand, five hundred forty-two".