102680318505 has 16 divisors (see below), whose sum is σ = 165742392960. Its totient is φ = 54278208768.

The previous prime is 102680318483. The next prime is 102680318519. The reversal of 102680318505 is 505813086201.

It is not a de Polignac number, because 102680318505 - 2¹⁴ = 102680302121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30287485 + ... + 30290874.

It is an arithmetic number, because the mean of its divisors is an integer number (10358899560).

Almost surely, 2^102680318505 is an apocalyptic number.

102680318505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102680318505 is a deficient number, since it is larger than the sum of its proper divisors (63062074455).

102680318505 is a wasteful number, since it uses less digits than its factorization.

102680318505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60578480.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 102680318505 in words is "one hundred two billion, six hundred eighty million, three hundred eighteen thousand, five hundred five".