104243012515 has 8 divisors (see below), whose sum is σ = 128000722608. Its totient is φ = 81455004960.

The previous prime is 104243012491. The next prime is 104243012537. The reversal of 104243012515 is 515210342401.

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

It is not a de Polignac number, because 104243012515 - 2⁵ = 104243012483 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 242425396 + ... + 242425825.

It is an arithmetic number, because the mean of its divisors is an integer number (16000090326).

Almost surely, 2^104243012515 is an apocalyptic number.

104243012515 is a deficient number, since it is larger than the sum of its proper divisors (23757710093).

104243012515 is an equidigital number, since it uses as much as digits as its factorization.

104243012515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484851269.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 104243012515 its reverse (515210342401), we get a palindrome (619453354916).

The spelling of 104243012515 in words is "one hundred four billion, two hundred forty-three million, twelve thousand, five hundred fifteen".