104055656515 has 4 divisors (see below), whose sum is σ = 124866787824. Its totient is φ = 83244525208.

The previous prime is 104055656513. The next prime is 104055656597. The reversal of 104055656515 is 515656550401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 515656550401 = 31 ⋅16634082271.

It is a cyclic number.

It is not a de Polignac number, because 104055656515 - 2¹ = 104055656513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104055656513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10405565647 + ... + 10405565656.

It is an arithmetic number, because the mean of its divisors is an integer number (31216696956).

Almost surely, 2^104055656515 is an apocalyptic number.

104055656515 is a deficient number, since it is larger than the sum of its proper divisors (20811131309).

104055656515 is an equidigital number, since it uses as much as digits as its factorization.

104055656515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20811131308.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 104055656515 in words is "one hundred four billion, fifty-five million, six hundred fifty-six thousand, five hundred fifteen".