1605488389112 has 16 divisors (see below), whose sum is σ = 3023436107400. Its totient is φ = 799238760480.

The previous prime is 1605488389033. The next prime is 1605488389117. The reversal of 1605488389112 is 2119838845061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605488389117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438177314 + ... + 438180977.

Almost surely, 2^{1605488389112} is an apocalyptic number.

It is an amenable number.

1605488389112 is a deficient number, since it is larger than the sum of its proper divisors (1417947718288).

1605488389112 is a wasteful number, since it uses less digits than its factorization.

1605488389112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876358526 (or 876358522 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 1605488389112 in words is "one trillion, six hundred five billion, four hundred eighty-eight million, three hundred eighty-nine thousand, one hundred twelve".