1004155344512 has 32 divisors (see below), whose sum is σ = 2006132857380. Its totient is φ = 500655333376.

The previous prime is 1004155344499. The next prime is 1004155344547. The reversal of 1004155344512 is 2154435514001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 943493624896 + 60661719616 = 971336^2 + 246296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11066663 + ... + 11157030.

Almost surely, 2^{1004155344512} is an apocalyptic number.

It is an amenable number.

1004155344512 is a deficient number, since it is larger than the sum of its proper divisors (1001977512868).

1004155344512 is an equidigital number, since it uses as much as digits as its factorization.

1004155344512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22224060 (or 22224048 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1004155344512 in words is "one trillion, four billion, one hundred fifty-five million, three hundred forty-four thousand, five hundred twelve".