104012851648521 has 8 divisors (see below), whose sum is σ = 138722967363904. Its totient is φ = 69322318516080.

The previous prime is 104012851648513. The next prime is 104012851648547. The reversal of 104012851648521 is 125846158210401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104012851648521 - 2³ = 104012851648513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104012851648021) 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, 4895633341 + ... + 4895654586.

It is an arithmetic number, because the mean of its divisors is an integer number (17340370920488).

Almost surely, 2^{104012851648521} is an apocalyptic number.

It is an amenable number.

104012851648521 is a deficient number, since it is larger than the sum of its proper divisors (34710115715383).

104012851648521 is an equidigital number, since it uses as much as digits as its factorization.

104012851648521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9791291471.

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 104012851648521 in words is "one hundred four trillion, twelve billion, eight hundred fifty-one million, six hundred forty-eight thousand, five hundred twenty-one".