1006533431605 has 16 divisors (see below), whose sum is σ = 1302178800384. Its totient is φ = 742470281280.

The previous prime is 1006533431593. The next prime is 1006533431621. The reversal of 1006533431605 is 5061343356001.

It is a happy number.

It is not a de Polignac number, because 1006533431605 - 2²¹ = 1006531334453 is a prime.

It is a Duffinian number.

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, 8439759 + ... + 8558188.

It is an arithmetic number, because the mean of its divisors is an integer number (81386175024).

Almost surely, 2^{1006533431605} is an apocalyptic number.

It is an amenable number.

1006533431605 is a deficient number, since it is larger than the sum of its proper divisors (295645368779).

1006533431605 is a wasteful number, since it uses less digits than its factorization.

1006533431605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16998876.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 1006533431605 its reverse (5061343356001), we get a palindrome (6067876787606).

The spelling of 1006533431605 in words is "one trillion, six billion, five hundred thirty-three million, four hundred thirty-one thousand, six hundred five".