102159386515 has 4 divisors (see below), whose sum is σ = 122591263824. Its totient is φ = 81727509208.

The previous prime is 102159386503. The next prime is 102159386657. The reversal of 102159386515 is 515683951201.

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 102159386515 - 2¹⁹ = 102158862227 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215938647 + ... + 10215938656.

It is an arithmetic number, because the mean of its divisors is an integer number (30647815956).

Almost surely, 2^102159386515 is an apocalyptic number.

102159386515 is a deficient number, since it is larger than the sum of its proper divisors (20431877309).

102159386515 is an equidigital number, since it uses as much as digits as its factorization.

102159386515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431877308.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 102159386515 in words is "one hundred two billion, one hundred fifty-nine million, three hundred eighty-six thousand, five hundred fifteen".