104387163515 has 4 divisors (see below), whose sum is σ = 125264596224. Its totient is φ = 83509730808.

The previous prime is 104387163509. The next prime is 104387163547. The reversal of 104387163515 is 515361783401.

It is a happy number.

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 104387163515 - 2⁶ = 104387163451 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10438716347 + ... + 10438716356.

It is an arithmetic number, because the mean of its divisors is an integer number (31316149056).

Almost surely, 2^104387163515 is an apocalyptic number.

104387163515 is a deficient number, since it is larger than the sum of its proper divisors (20877432709).

104387163515 is an equidigital number, since it uses as much as digits as its factorization.

104387163515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20877432708.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 104387163515 in words is "one hundred four billion, three hundred eighty-seven million, one hundred sixty-three thousand, five hundred fifteen".