104454520015 has 8 divisors (see below), whose sum is σ = 125349334128. Its totient is φ = 83561009280.

The previous prime is 104454519991. The next prime is 104454520043. The reversal of 104454520015 is 510025454401.

It is a happy number.

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

It is not a de Polignac number, because 104454520015 - 2¹³ = 104454511823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139882 + ... + 477991.

It is an arithmetic number, because the mean of its divisors is an integer number (15668666766).

Almost surely, 2^104454520015 is an apocalyptic number.

104454520015 is a deficient number, since it is larger than the sum of its proper divisors (20894814113).

104454520015 is an equidigital number, since it uses as much as digits as its factorization.

104454520015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651689.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 104454520015 its reverse (510025454401), we get a palindrome (614479974416).

The spelling of 104454520015 in words is "one hundred four billion, four hundred fifty-four million, five hundred twenty thousand, fifteen".