1605412275144 has 32 divisors (see below), whose sum is σ = 4061886484320. Its totient is φ = 528689985536.

The previous prime is 1605412275059. The next prime is 1605412275149. The reversal of 1605412275144 is 4415722145061.

It is a junction number, because it is equal to n+sod(n) for n = 1605412275096 and 1605412275105.

It is not an unprimeable number, because it can be changed into a prime (1605412275149) 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 7 ways as a sum of consecutive naturals, for example, 402962937 + ... + 402966920.

It is an arithmetic number, because the mean of its divisors is an integer number (126933952635).

Almost surely, 2^{1605412275144} is an apocalyptic number.

It is an amenable number.

1605412275144 is an abundant number, since it is smaller than the sum of its proper divisors (2456474209176).

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

1605412275144 is a wasteful number, since it uses less digits than its factorization.

1605412275144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805929949 (or 805929945 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 1605412275144 in words is "one trillion, six hundred five billion, four hundred twelve million, two hundred seventy-five thousand, one hundred forty-four".