1204725959999 has 4 divisors (see below), whose sum is σ = 1207445432136. Its totient is φ = 1202006487864.

The previous prime is 1204725959993. The next prime is 1204725960047. The reversal of 1204725959999 is 9999595274021.

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

It is a cyclic number.

It is not a de Polignac number, because 1204725959999 - 2⁸ = 1204725959743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204725959993) 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, 1359735404 + ... + 1359736289.

It is an arithmetic number, because the mean of its divisors is an integer number (301861358034).

Almost surely, 2^{1204725959999} is an apocalyptic number.

1204725959999 is a deficient number, since it is larger than the sum of its proper divisors (2719472137).

1204725959999 is an equidigital number, since it uses as much as digits as its factorization.

1204725959999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719472136.

The product of its (nonzero) digits is 165337200, while the sum is 71.

The spelling of 1204725959999 in words is "one trillion, two hundred four billion, seven hundred twenty-five million, nine hundred fifty-nine thousand, nine hundred ninety-nine".